what will happen reaction of rubidium with water 

So I entered the answer, which is a=b=c=e>d, but it says it's incorrect.  the final temperature from the initial temperature, multiplying it by the mass, and multiplying it again by the water's specific heat.

Why is water's specific heat so high?

Hydrogen bonds between water molecules are what give water its remarkable thermal conductivity. Hydrogen bonds are disrupted and water molecules can move freely when heat is absorbed. Hydrogen bonds are created and release a significant quantity of energy when the temperature of water drops.

Why does temperature-related specific heat rise?

The average kinetic energy of the molecules increases as the substance heats up. The collisions generate sufficient energy to support rotation. Rotation

To know more about specific heat visit:

brainly.com/question/11297584

#SPJ4

False, frogs cannot see in all directions.

At constant temperature, the behavior of a sample of a real gas more closely approximates that of an ideal gas as its volume is increased because the (D) Average distance between molecules becomes greater.

An ideal gas is:

1) made up of molecules which are in constant random motion in straight lines.

2) all collisions are perfectly elastic, there is no loss of kinetic energy during the collision.

3) follows ideal gas law: p·V = n·R·T.

4) the gas particles have negligible volume.

At low temperatures, volume of the gas is not negligible.

Real gases may be expected to deviate from Charles's law at high pressures.

Real gases may be expected to deviate from Charles's law near the liquefaction temperature.

Missing options:

(A) Collisions with the walls of the container become less frequent

(B) Average molecular speed decreases

(C) Molecules have expanded

(D) Average distance between molecules becomes greater

(E) Average molecular kinetic energy decreases

More about ideal gas: brainly.com/question/26537738

#SPJ4

The correct options that describes the behaviour of ideal gases are options B, E and F.

An ideal gas is those which obeys Boyle, law, Charles's law and Avogadro's law at all temperatures and pressure.

Kinetic theory of gases is proposed for these ideal gases. According to Kinetic theory of gases, particles will collide each other when they gains energy.

Particles gains kinetic energy when they move apart and collide on the wall of the container or with each other. This kinetic energy will increase as the temperature increases.

The volume of gas doesn't affect its behavior because  the volume surrounding the particle is insignificant with respect to the size of the particles.

For ideal gases, there will be no repulsion between particles and only attractive force exists. Hence, based on these concepts option B, E and F are correct.

To find more about ideal gases, refer the link below:

https://brainly.com/question/28257995

#SPJ1

Your question is incomplete. But your complete question probably was as follows:

Which statements describe an ideal gas?

Select all the correct answers.

A. The average energy of the particles changes as collisions occur.

B. The particles are in constant motion.

C. Particles both attract and repel each other.

E. The average energy of the particles depends on the temperature.

F. The volume of the particles doesn't affect the behavior of the gas.

please refer to the attachment

Hope This Helps You ❤️

Answer:

HCI is a strong acid : HCI -> h^+  + CI^-                                                              [ H^+ ] = 1.0  x 10 ^-3  -> pH = -log[ H^+ ] = -log 10 ^-3 = 3

Explanation:

Answer:

true

Explanation:

this is the answer okk

Answer:

a true

Explanation:

Answer:

Water is a remarkable substance, and its unique properties are largely due to the presence of polar covalent bonds and hydrogen bonds in its structure. These characteristics play a crucial role in the physical and chemical properties of water, making it essential for life as we know it.

Explanation:

The polar covalent bonds in water arise from the unequal sharing of electrons between oxygen and hydrogen atoms. This results in the oxygen atom having a partial negative charge (δ-) and the hydrogen atoms having partial positive charges (δ+). These charges create polarity within the water molecule, leading to the formation of hydrogen bonds.

Hydrogen bonds occur when the partially positive hydrogen atom of one water molecule is attracted to the partially negative oxygen atom of another water molecule. These hydrogen bonds are relatively weak individually, but when present in large numbers, they contribute to the cohesion, surface tension, and high boiling point of water.

The importance of these bonds is manifold. The cohesion between water molecules due to hydrogen bonding enables water to form droplets, have a high surface tension, and flow freely, facilitating transport within organisms and in the environment. Additionally, hydrogen bonding leads to the high specific heat capacity and heat of vaporization of water, making it an effective regulator of temperature in living organisms and ensuring stable environmental conditions.

Furthermore, hydrogen bonds play a crucial role in the unique properties of water as a solvent. The polar nature of water allows it to dissolve a wide range of substances, including ionic compounds and polar molecules, facilitating various biological processes such as nutrient transport and chemical reactions in cells.

Courtney burns wood in an outdoor firepit and she measures mass of the ashes that remain after the fire, and mass is much lower than the wood that she burned. The best explanation for what Courtney observes is that: A. gases are released into the air.

When wood burns, it undergoes chemical reaction called combustion, where it reacts with oxygen from the air to produce carbon dioxide, water vapor and other gases. These gases are released into air as the wood burns and their mass is not accounted for in ashes left behind.

Water inside the wood may also be released as steam during combustion process but this would not explain the significant difference in mass between the wood and ashes.

To know more about burning of wood, refer

https://brainly.com/question/1537286

#SPJ9

Answer:

It is broken down into water and oxygen

Explanation:

2H2O2 -----> 2H2O +O2

Answer:

-1,300 kJ

Explanation:

P₄  +  3 O₂  ⇒  P₄O₆     ΔH = -1,640.1 kJ    (EQ 1)

P₄O₁₀  ⇒  P₄  +  5 O₂    ΔH = 2,940.1 kJ    (EQ 2)

These are the equations you are given.  You need to make these equations into the equation below.

P₄O₆  +  2 O₂  ⇒  P₄O₁₀  (end equation)

Look at the product side of the end equation.  You need to produce P₄O₁₀.  In the EQ 2, P₄O₁₀ is on the reactant side.  Flip the equation.  Since you flipped the equation, the enthalpy will have the opposite sign.

P₄  +  5 O₂  ⇒  P₄O₁₀    ΔH = -2,940.1 kJ

On the reactant side of the end equation, you need P₄O₆ and 2 O₂.  First, rearrange the equation so that P₄O₆ is on the right side.  In EQ 1, P₄O₆ is on the product side.  Flip the equation.  Like the last one, the sign will change.

Now, cancel out all possible values.  P₄ will cancel out since there is one on each side of the equation.  Since there is 5 O₂ on one side and 3 O₂ on the other, subtract the two and put the remainder on the side of the larger value.

P₄  +  5 O₂  ⇒  P₄O₁₀    ΔH = -2,940.1 kJ

P₄O₆  ⇒  P₄  +  3 O₂     ΔH = 1,640.1 kJ    

P₄O₆  +  2 O₂  ⇒  P₄O₁₀

This should be the resulting equation.  Now, add the two enthalpies together to find the overall enthalpy.

-2,940.1 kJ  +  1,640.1 kJ  = -1,300 kJ

The overall enthalpy is -1,300 kJ.

-867.7Answer:

Explanation:

-867.7

Answer:

KCrO₃

Explanation:

26.6% K, 35.3% Cr and 33.0% O

The steps in obtaining the empirical formulae from percentage composition is given as;

Step 1:

Divide the percentage composition by the atomic mass of the elements

K = 26.6 / 39.0983  = 0.6803

Cr = 35.3 / 51.9961 = 0.6789

O = 33.0 / 16  = 2.0625

Step 2:

Divide all though by the smallest number (0.6789)

K = 0.6803 / 0.6789 = 1.002

Cr = 0.6789 / 0.6789 = 1

O = 2.0625 / 0.6789 = 3.038

The Empirical formular is the ratio between the elements. This given as;

KCrO₃

Answer:

IT IS A C D I GOT IT WRONG FROM THE ANSWER ON TOP OF ME

Explanation:

Answer:Figure 2 demonstrates the use of Lewis symbols to show the transfer of electrons during the formation of ionic compounds.

A table is shown with four rows. The header row reads “Metal,” “Nonmetal,” and “Ionic Compound.” The second row shows the Lewis structures of a reaction. A sodium symbol with one dot, a plus sign, and a chlorine symbol with seven dots lie to the left of a right-facing arrow. To the right of the arrow a sodium symbol with a superscripted plus sign is drawn next to a chlorine symbol with eight dots surrounded by brackets with a superscripted negative sign. One of the dots on the C l atom is red. The terms “sodium atom,” “chlorine atom,” and “sodium chloride ( sodium ion and chloride ion )” are written under the reaction. The third row shows the Lewis structures of a reaction. A magnesium symbol with two red dots, a plus sign, and an oxygen symbol with six dots lie to the left of a right-facing arrow. To the right of the arrow a magnesium symbol with a superscripted two and a plus sign is drawn next to an oxygen symbol with eight dots, two of which are red, surrounded by brackets with a superscripted two a and a negative sign. The terms “magnesium atom,” “oxygen atom,” and “magnesium oxide ( magnesium ion and oxide ion )” are written under the reaction. The fourth row shows the Lewis structures of a reaction. A calcium symbol with two red dots, a plus sign, and a fluorine symbol with a coefficient of two and seven dots lie to the left of a right-facing arrow. To the right of the arrow a calcium symbol with a superscripted two and a plus sign is drawn next to a fluorine symbol with eight dots, one of which is red, surrounded by brackets with a superscripted negative sign and a subscripted two. The terms “calcium atom,” “fluorine atoms,” and “calcium fluoride ( calcium ion and two fluoride ions )” are written under the reaction.

Explanation:

Explanation:

H2O:

2 H2O shows 2 atoms of hydrogen. The number 2 in front of it means 2 moles of H2O

----------

CHA:

It only shows 1 atom of hydrogen

1 CHA means 1 mole of CHA

2 CHA means 2 moles of CHA

----------

HO2:

It only shows 1 atom of hydrogen

---------

H2SO4:

It shows 2 atoms of hydrogen

Answer:

H2O

H2SO4

The theoretical yield of benzil quinoxaline can be calculated using the given amounts of o-phenylenediamine and benzil.

To determine the theoretical yield of benzil quinoxaline, we first need to write the balanced chemical equation for the reaction between o-phenylenediamine and benzil to form benzil quinoxaline. Let's assume the balanced equation is:

2 o-phenylenediamine + 1 benzil → 1 benzil quinoxaline.

According to the balanced equation, the molar ratio between benzil quinoxaline and benzil is 1:1. Therefore, if we have 0.416 mmols of benzil, we can expect to obtain the same amount in mmols of benzil quinoxaline.

Now, we need to determine the molar mass of benzil quinoxaline. Let's assume it is 400 g/mol.

To convert the moles of benzil quinoxaline to grams, we can use the formula:

Theoretical yield (in grams) = mmols of benzil quinoxaline * molar mass of benzil quinoxaline.

Substituting the values:

Theoretical yield = 0.416 mmols * 400 g/mol = 166.4 grams.

Therefore, the theoretical yield of benzil quinoxaline is 166.4 grams to 4 decimal places.

To learn more about theoretical yield click here: brainly.com/question/32891220

#SPJ11

Cells have distinct and different jobs and functions in the body.

Answer:

7 O2

Explanation:

My method involves counting all the elements in the equation. There must be an equal amount of each on both sides. Because it's asking for O2 only, look for compounds that deal with O2

So...CO2 and H2O only on the product side for this chemical equation.

Count the total O there is

CO2 has 2 O in one molecule, so 4 CO2 molecule is 8 Oxygen

H2O has 1 O in one molecule, so 6 H2O molecule is 6 Oxygen.

Your total O on the product side is 14

On the reactant side, the O2 is paired because O2 likes to be stable, so one O2 molecule has 2 O. This means that 2x = 14, which is 7.

Your answer is 7

Answer:

7 O2

Explanation:

You are given the balanced equation 2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(ℓ) You are given rules for assigning oxidation numbers in Table 9.3 on page 604 of the student textbook. Compare the oxidation numbers of the atoms of each element on both sides of the equation. ... Therefore, the reaction is a redox reaction.

These two samples of sodium chloride as provided in the question are in accordance with the law of definite proportion.

According to law of definite proportions, any provided chemical compound always contains its initial component elements in a fixed ratio, and it does not depend on its source and method of preparation.

So here in the first sample, we have

Mass of sodium = 8 g

n(Na) = 8/23

=0.347 mol

Mass of chlorine = 12.3g

n(Cl2) = 12.3/70.9

=0.173 mol

Thus, definite proportion = 0.173/0.347 ≈ 1:2

Then in the second sample,

Mass of sodium = 11g

n(Na) = 11/23

=0.478 mol

Mass of Chlorine =17.1g

n(Cl2) = 17.1/70.9

=0.241

Thus, definite proportion = 0.241/0.478 ≈ 1:2

Therefore, we see that in both of the samples, the proportion remains the same. Thus, both the samples follow the Law of definite proportion.

To know more about Law of definite proportion, visit:

https://brainly.com/question/28458716

#SPJ4

The formula of the molecule made by adding one fructose to a molecule of lactose is C24H42O21.

When fructose is added to lactose, a glycosidic bond forms between the fructose and lactose molecules. Lactose is a disaccharide consisting of one molecule of glucose and one molecule of galactose, linked by a β-glycosidic bond. Fructose, on the other hand, is a monosaccharide. The addition of one fructose molecule to lactose results in the formation of a trisaccharide. The fructose molecule attaches to the lactose molecule at the hydroxyl group of either the glucose or galactose unit, forming a new glycosidic bond.

The formula of the resulting molecule, C24H42O21, represents the combined molecular formula of the fructose, glucose, galactose, and the water molecule that is released during the formation of the glycosidic bond. This trisaccharide retains the general structure and properties of its constituent sugars but possesses a unique arrangement due to the formation of the glycosidic bond.

Learn more about glycosidic bond here: brainly.com/question/2161013

#SPJ11

The hydronium ion concentration of a solution can be determined using the ion product constant of water, also known as Kw. At 25°C, Kw is equal to 1.0 x 10^-14. The equation for Kw is Kw = [H3O+][OH-]. Therefore, if we know the concentration of hydroxide ions, we can calculate the concentration of hydronium ions.

Given that the hydroxide ion concentration is 8.1 x 10^-5 M, we can calculate the hydronium ion concentration as follows:
Kw = [H3O+][OH-]
1.0 x 10^-14 = [H3O+][8.1 x 10^-5]
[H3O+] = 1.2 x 10^-10 M
Therefore, the hydronium ion concentration of the solution is 1.2 x 10^-10 M.
In summary, the concentration of hydronium ions in a solution with a hydroxide ion concentration of 8.1 x 10^-5 M can be calculated using the ion product constant of water. The hydronium ion concentration is found to be 1.2 x 10^-10 M.

To know more about concentration visit :

https://brainly.com/question/10725862

#SPJ11

Answer:

well for me I think

Explanation:

Water has higher heat capacity than methane because before heat can break the bond it has to reach a very high temperature

Answer:

water has a lower heat capacity than methane .

Explanation:

b/c methane is gases so higher heat capacity

The mass of \(PCl_5\) expected from the reaction of 73.7% of \(PCl_3\) with excess chlorine based on 83.2% percent yield would be 92.99 grams.

From the balanced equation of the reaction:

\(PCl_3 +Cl_2 -- > PCl_5\)

The ratio of the moles of \(PCl_3\) that reacts to that of \(PCl_5\) that is produced is 1:1.

73.7% of \(PCl_3\) = 73.7/137.33

                       = 0.5367 moles

Since the mole ratio is 1:1, the equivalent mole of \(PCl_5\) will also be 0.5367 moles.

Mass of 0.5367 moles \(PCl_5\) = 0.5367 x 208.24

                                               = 111.7624 grams

But the reaction has only 83.2% yield:

 111.7624 x 83.2% = 92.99 grams

Thus, the mass of  \(PCl_5\) expected from the reaction will be 92.99 grams.

More on stoichiometric problems can be found here; https://brainly.com/question/27287858

#SPJ1

Answer:

Dependent variable

Explanation:

In every experiment, there must be a dependent variable and an independent variable.

The independent variable is that variable that you have to manipulate in order to receive a response. E.g, in the experiment described in the question, the amount of sunlight a sunflower plant receives is the independent variable.

The dependent variable is the number of seeds produced. It is the response obtained by carefully manipulating the amount of sunlight

The atomic mass of the element M in the ionic compound MFx is approximately 174.808 g/mol.

To determine the atomic mass of the element M in the ionic compound MFx, we can use the information about the formula mass and the mass percent of fluorine.

First, we can calculate the mass of fluorine in one mole of MFx:

mass of fluorine = formula mass of MFx × mass percent of fluorine

mass of fluorine = 232 g/mol × 24.6% = 57.192 g/mol

Next, we can use the periodic table to find the atomic mass of fluorine, which is 18.998 g/mol.

Now we can set up an equation to relate the mass of fluorine to the mass of M:

mass of M = formula mass of MFx - mass of fluorine

mass of M = 232 g/mol - 57.192 g/mol

mass of M = 174.808 g/mol

For more question on atomic mass click on

https://brainly.com/question/30390726

#SPJ11

Answer:

~58.3 mL

Explanation:

m1*v1=m2*v2 --> (12.0 M HCL) * v1 = 350mL * 2.0M HCL

--> 350*2.0 = 700

--> 700/12.0 M HCL = 58.3 mL repeating

:))))))))

Here is my Answer:

Because gathering it leaves a negative impact on natural habitats.

It is to be noted that the Total Distance traveled is 130 meters while the total displacement is 40 meters to the right.

A displacement is a vector in geometry and mechanics whose length is the smallest distance between the beginning and final positions of a moving point P.

Displacement = final position - beginning position = change in position is the formula.

The distance is determined by adding up all the ground that was covered. That is, add the distances from A to B, then from B to C to D, and then from D to E.  This means one must add 40 m (A to B) and 45 m (B to C to D) and 45 m (D to E).

The displacement is determined by simply measuring from the starting position (A) to the final position (E). This is 40 m, directed to the right.

Learn more about Displacement:
https://brainly.com/question/11934397
#SPJ1

Full Question:

A car in a parking lot travels back and forth in a parking lane in an effort to find a good parking spot. Given the images attached, find the Distance traveled and the Displacement.

An S N1 mechanism is the most likely mechanism for a substitution reaction with a rate that is independent of both the concentration and the nature of the nucleophile.

The rate of the reaction in a S N1 mechanism is determined solely by the concentration of the substrate and is unaffected by the nucleophile. This means that the rate of substitution is determined solely by the substrate and the conditions of the reaction. The rate of substitution does not change as the concentration of the nucleophile increases or decreases. This implies that the rate-limiting step in this reaction is not the collision of the substrate and nucleophile, but rather another step in the reaction mechanism, such as bond formation or bond breaking. Furthermore, regardless of the nucleophile used, the rate of substitution remains constant. This implies that the substrate is the limiting factor in the reaction and that the identity of the nucleophile has no effect on the rate of the reaction.

To Learn More About nucleophiles click

https://brainly.com/question/28325919

#SPJ4

For a certain substitution reaction, the rate of substitution is found to be independent of both the concentration and the nature of the nucleophile. What is the most likely mechanism?

Answer:

The RMM of Ca (OH)2 is

40+ (16+1)2

40+(17)2

40+34

74

The RMM of Al2SO4 is

(27×2)+32+(16×4)

54+32+64

=150

Explanation:

Note that the RAM of:

Ca=40

O=16

H=1

Al=27

S=32