Look at this image. If tectonic plates are moving in the direction pictured, what do you think might happen to the Earth's crust if it is
pulled that way? What land form, or land forms, might be created? Is there anything else that might happen? Explain your thinking.
Plate
Plate
Asthenosphere
this would create
because
Sentence stem: In the image the plates are moving

Answer:

The pH of the solution is 1.34, being an acidic pH.

Explanation:

pH is a measure of acidity or alkalinity that indicates the amount of hydrogen ions present in a solution or substance.   The acronym pH stands for hydrogen potential.

The pH scale ranges from 0 to 14. Values ​​less than 7 indicate the acidity range and those greater than 7 indicate alkalinity or basicity. Value 7 is considered neutral. Mathematically, pH is the negative logarithm of the molar concentration of hydrogen or proton ions (H⁺) or hydronium ions (H₃O⁺).

pH= - log [H⁺] = - log [H₃O⁺]

In this case, [H⁺]= 4.6*10⁻² M. Replacing:

pH= - log 4.6*10⁻²

Solving:

pH= 1.34

The pH of the solution is 1.34, being an acidic pH.

This experiment shows that the elements of pure solid substance in a system closed off from the surroundings has increased temperature very fast.

Pure substances are substances that are built up of only one kind of particle and have a fixed or abiding structure. Pure substances are further confidential as elements and compounds. An element is a substance that comprises only one type or kind of atom. a pure substance has a constant chemical composition.

No affair where you sample a substance, it is the same. For chemistry, the safest examples of pure substances are elements and compounds. So, examples cover gold, silver, helium, sodium chloride, and pure water.

So we can conclude that In chemistry, a pure substance is an element or compound made up of one type of particle.

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Answer:

write it down

Explanation:

(2)(½^(15/3)) = 0.0625 (5 half-lives) 102.4 grams order

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Answer: K=8, C=1, O=12

Explanation:

Explanation

Given

Mass of metal = 24.2 g

Initial volume = 15.50 mL

Final volume = 18.4 mL

Volume occupied by metal = 18.4 mL - 15.50 mL = 2.9 mL

Solution

density = mass/volume

density = 24.2g/2.9 mL

density = 8.34 g/mL

Answer

Density of metal = 8.34 g.mL

Answer:

Explanation:

If a zero is found between significant digits, it is significant

Explanation:

Mol = g/MW

Mw of NH3 = 14 + 3(1) = 17

Mol = 34/17

= 2 mol

Answer: i dont no

Explanation:

ddd

Answer: K+ and P 3−

Explanation:

Electrostatic force of attraction is the attraction between different molecules that comes from them being electrically charged.

For molecules to have an electrostatic force of attraction, they need to have opposing charges because like charges repel each other but opposite charges attract.

In the question above, the only option that has opposing charges is option D so this is the correct option.

Adding sulfuric acid to water will decrease the pH dramatically.option 4.

Sulfuric acid is a strong acid and is a type of acid rain. When five drops of sulfuric acid are added to a sample of water, the pH of water will decrease dramatically. This is because sulfuric acid is a strong acid that is capable of dissociating completely in water, producing a high concentration of hydrogen ions (H+) and sulfate ions (SO4²-). This increase in hydrogen ion concentration lowers the pH of water and makes it more acidic.Acid rain is a type of rain that has a pH lower than 5.6, which is the normal pH of rainwater. The acidity of acid rain is caused by the presence of strong acids like sulfuric acid and nitric acid. These acids are produced when sulfur dioxide (SO2) and nitrogen oxides (NOx) are emitted into the atmosphere by human activities like burning fossil fuels and industrial processes.When these gases react with water, they form sulfuric acid and nitric acid, respectively, which then fall to the ground as acid rain.

Acid rain can have harmful effects on the environment, including the acidification of lakes and rivers, the degradation of forests and soils, and the corrosion of buildings and monuments.To conclude, when five drops of sulfuric acid are added to a sample of water, the pH of water will decrease dramatically.option 4.

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40 grams of KCl are dissolved in 100 mL of water at 45C. 5g of  additional grams of KCI are needed to make the solution saturated at 80 C as the solubility of KCl is 45g/ml

A uniform combination of a number of solutes within a solvent is referred to as a solution. One frequent illustration of a Solution is adding sugar cubes into your cup of tea and coffee. Solubility is the quality that makes sugar molecules more soluble.

In water, potassium chloride (KCl) dissolves. Its water solubility, like that of all other solutes, depends on temperature. The solubility of a salt increases as the solvent's temperature rises. This is fairly simple to experience with sugar. 40 grams of KCl are dissolved in 100 mL of water at 45C. 5g of  additional grams of KCI are needed to make the solution saturated at 80 C as the solubility of KCl is 45g/ml.

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Answer:

LI

Explanation:

The temperature of the oxygen gas sample is 609 K, which is approximately 336°C or 637°F. The answer is A.

We can use the ideal gas law equation, PV = nRT, to solve for the temperature of the oxygen gas sample.

First, we need to calculate the number of moles of oxygen gas present in the sample using its mass and molar mass:

n = m/M

where:

n = number of moles

m = mass (in grams)

M = molar mass (in g/mol)

The molar mass of oxygen gas (O2) is 32.00 g/mol.

n = 48 g / 32.00 g/mol = 1.50 mol

Next, we can rearrange the ideal gas law equation to solve for temperature (T):

T = (PV) / (nR)

where:

T = temperature (in Kelvin)

P = pressure (in atm)

V = volume (in liters)

n = number of moles

R = gas constant (0.0821 L atm/mol K)

Plugging in the given values, we get:

T = (3.0 atm x 25 L) / (1.50 mol x 0.0821 L atm/mol K)

T = 609 K

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Answer:

D.) Br

Explanation:

I don’t really have an explanation.

I hope this helps!

The mass of the silver block, given that it was initially at 55.1 °C  and is submerged into 100.0 g of water at 25.0°C is 189.8 g

We'll begin our calculation by obtaining the heat absorbed by the water. Details below:

Q = MCΔT

Q = 100 × 4.184 × 2.9

Q = 1213.36 J

Finally, we shall determine the mass of the silver block. Details below:

Q = MCΔT

-1213.36 = M × 0.235 × -27.2

-1213.36 = M × -6.392

Divide both sides by -6.392

M = -1213.36 / -6.392

M = 189.8 g

Thus, we can conclude that the mass of the silver block is 189.8 g

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Complete question:

A silver block, initially at 55.1∘C, is submerged into 100.0 g of water at 25.0∘C in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 27.9∘C. The specific heat capacities for water and silver are Cs,water = 4.18J/(g⋅∘C) and Cs, silver = 0.235J/(g⋅∘C). What is the mass of the silver block?

Answer:

2.5g and 25.5ml

Explanation:

Answer:

2.5 and 25.5

Explanation:

Answer:

0.052 atm

Explanation:

Assuming the gas will behave as an ideal gas, we can solve this problem by using the PV = nRT equation:

We input the data:

And solve for P:

Answer:

1.34 * 10^-7 M

Explanation:

The Ksp of lead II chromate is 1.8 x 10^-14

So, we have that;

PbCrO4(s) -----> Pb^2+(aq) + CrO4^2-(aq)

                             s                  s

Where s = molar concentration of Pb^2+(aq) and  CrO4^2-(aq)

and;

[Pb^2+] = [CrO4^2-]

This implies that Ksp = s^2

s = √Ksp

s = √1.8 x 10^-14

s = 1.34 * 10^-7 M

The chemical formula is AB3X, A occupies all the corners & B occupies the faces, So the contribution = ½ × 6 = 3 . X occupies body center So contribution= 1,So atomic formula= AB3X

What is Chemical formula?

A chemical formula is a way of presenting information about the chemical ratios of atoms that make up a particular chemical compound or molecule, using chemical element symbols, numbers, and sometimes other symbols such as parentheses, dashes, parentheses, commas, and plus and minus signs

What is chemical compound?

A chemical compound is a chemical substance composed of two or more different chemical elements held together by chemical bonds. It can be either a molecular compound composed of atoms held together by covalent bonds, or an ionic compound composed of ions held together by ionic bonds. Compounds can be composed of elements from the same group, or from different groups.

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Answer:

1 mole of Fe is 55.85 g per mole

Explanation:

hope it helps

The moles of hydrogen that are needed to make 30 moles of Fe is 45 moles.

Moles is a measurement unit. It is the quantity amount of substance.

The balanced equation is

Fe2O3 + 3H2 ---> 2Fe + 3H2O

Given the moles of iron is 30

To find the moles of hydrogen is?

According to the given balanced equation, the ratio of moles of hydrogen and iron is 3 : 2

To produce 30 moles of Fe

30 x 3 / 2 = 45 moles.

Thus, the number of moles of hydrogen is 45 moles.

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Your question is incomplete. Your most probably complete question is given below:

One way to change iron are, Fe2O3, into metallic iron is to heat it together with hydrogen:

Fe2O3 + 3H2 ---> 2Fe + 3H2O

Answer:

I'll do #1

Explanation:

Solids:They are molecules packed together and contain the least amount of kinetic energy

Liquids:Flows frequently in space, of constant volume

Gasses:Gas is made up of atoms,mostly made up of a mixture of air

Plasma:Largest part of your blood

Hope This Helppps!!Good Luck!!!

The answer is shared.

e.g. The Molecule of O2. That is a covalent bond.

The two Oxygen share a pair of electrons each other to make a full octet.

Two key criteria that engineers must prioritize are efficiency and safety. By emphasizing efficiency and safety during process development, engineers can create robust and reliable processes that not only maximize productivity but also prioritize the well-being of personnel and the environment.

When developing a process, engineers need to consider several important criteria. Two key criteria that engineers must prioritize are efficiency and safety.

Efficiency is crucial in process development to ensure optimal use of resources, time, and energy. Engineers strive to design processes that maximize productivity, minimize waste, and reduce costs. This involves optimizing reaction conditions, streamlining workflow, and implementing automation where possible. Efficiency considerations also extend to energy consumption, raw material utilization, and overall process sustainability.

Safety is another critical aspect that engineers must prioritize. They need to identify and mitigate potential hazards associated with the process, ensuring the safety of both personnel and the environment. This involves conducting thorough risk assessments, implementing safety protocols, and designing equipment and systems with safety features. Engineers must also consider the safe handling and storage of materials, as well as potential risks during transportation and disposal.

By emphasizing efficiency and safety during process development, engineers can create robust and reliable processes that not only maximize productivity but also prioritize the well-being of personnel and the environment.

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This representation suggests that the element is phosphorus (P) with a mass number of 30, which is incorrect. The correct mass number for phosphorus is approximately 30.97. The incorrect representation for a neutral atom is 36Li

To determine the correct representation for a neutral atom, we need to consider the atomic number (Z) and mass number (A) of the element. The atomic number represents the number of protons in the nucleus, while the mass number represents the sum of protons and neutrons.

Let's analyze the given representations:

36Li:

This representation suggests that the element is lithium (Li) with a mass number of 36, which is incorrect. The correct mass number for lithium is approximately 6.94.

613C:

This representation suggests that the element is carbon (C) with a mass number of 13, which is correct. Carbon has different isotopes, and 13C represents one of its stable isotopes.

3063Cu:

This representation suggests that the element is copper (Cu) with a mass number of 63, which is correct. Copper has different isotopes, and 63Cu represents one of its stable isotopes.

1530P:

This representation suggests that the element is phosphorus (P) with a mass number of 30, which is incorrect. The correct mass number for phosphorus is approximately 30.97.

Therefore, the incorrect representation for a neutral atom is 36Li, as it does not match the known properties of lithium.

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Which chemical reaction is correctly balanced? *

a. CH4 +2O2 → CO2 +2H2O

b. 2CH4 +2O2 → CO2 +2H2O

c. CH4 +O2 → CO2 +H2O

d. None of the above

Explanation:

d none of the above

Answer:

The answer is a. CH4 + 2O2 --- CO2 + 2H2O

Explanation:

A balanced chemical reaction must have the same number of each type of atom on both sides according to the law of conservation of mass:

1 carbon 4 hydrogen + 4 oxygen ----- 1 carbon 2 oxygen + 4 hydrogen

2 oxygen  =

1 carbon 4 hydrogen 4 oxygen ---- 1 carbon 4 hydrogen 4 oxygen

Since each type of atom has the same amount on both sides, the chemical formula is balanced.

Covalent bonds involve equal sharing of electrons while polar covalent bonds involve unequal sharing of electrons.

A covalent bond involves the sharing of electrons between two atoms. A polar covalent bond is a type of covalent bond where the electrons are not shared equally between the atoms.

This occurs when one atom in the bond has a higher electronegativity than the other, resulting in an unequal distribution of electrons.

The result is a bond with a partial positive and a partial negative charge, creating a polar molecule. In contrast, a nonpolar covalent bond involves an equal sharing of electrons between two atoms.

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Answer:

When all the hydrogen is converted to helium the Star rearranges itself, its core shrinks and its outer layers expand, depending on its initial mass the Star then transforms into a giant or a super-giant

Explanation: