look at the following general equation for the hydrolysis of starch. how many mols of monosaccharide can be formed by 0.10 mol of starch? (answer in terms of n)nH2O + (C6H10O5)n → nC6H12O6mol of monosaccharide: _________

Answer:

The answer is false.

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Answer:

False

Explanation:

I think it's a chemical change when the composition of a substance changes and forms a new substance

Answer:

True

Explanation:

Answer:

1.35 M

Explanation:

grams/molar mass=ans./volume(L)

100/164=ans./.450

The plutonium 238 has a half life of 88 yrs and the amount will be left in 2425 is equals to the 3.98 grams.

As we know, half-life means that half of it will be gone by the time that half-life is over. We have, for plutonium-238,

half life = 88 years

Initial weight of isotope in 1985 = 300g

We have to determine amount of plutonium 238 left in 2425.

Total number of year elapsed upto 2425 from 1985 = 440 yrs, which 5 times of 88 years. Using half-life relation , the amount of plutonium 238 will be left in 2425

= 300g/2⁵

= 300/32

= 9.38 g

Hence, required value is 9.38g.

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The question is incomplete, the complete question is;

Theresa creates an experiment where she mixes two red-colored substances together in a container and observes the solution slowly changing from red to blue for the next eight minutes. The solution becomes completely blue after eight minutes. What does this represent about the type of change happening in the container? A chemical change started immediately and finished at eight minutes. A non-chemical change started immediately and finished at eight minutes. A chemical change occurred at four minutes. A non-chemical change occurred at four minutes.

Answer:

A chemical change started immediately and finished at eight minutes.

Explanation:

A chemical change is one in which a new substance is formed. One of the indicators that a chemical change has occurred is the change in the color of the system from red to blue.

The question clearly stated that the change occurred gradually. This means that the reaction must have started immediately the substances were mixed and went on to conclusion after eight minutes when the complete blue color appears.

formed from the electrostatic attraction between oppositely charged ions in a chemical compound.

Answer:

Chemical Change

Explanation:

The explosion of fireworks is an example of chemical change. During a chemical change, substances are changed into different substances. In another words, the composition of the substance changes.

Answer:

24.6 years

Explanation:

Applying,

A = (A')\(2^{a/n}\)..................... Equation 1

Where A = Original Tritium content in the wine, A' = Tritium content in the wine after decay, a = age of the old bottle, n = half life of Tritium

From the question,

Let A = X, therefore, A' = 0.25X

Given: n = 12.3 years

Substitute these values into equation 1

X = 0.25X(\(2^{a/n}\))

1 = 0.25×(\(2^{a/12.3}\))

1/0.25 =

4 = \(2^{a/12.3}\)

\(2^{a/12.3}\) = 2²

Equation the base,

a/12.3 = 2

a = 12.3×2

a = 24.6 years

Answer:

false tjytyjiy

Explanation:

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Answer:

rock star

Explanation:

The correct statement about the average kinetic energy of the particles of a gas is: c) It is directly proportional to the temperature of the gas.

The average kinetic energy of gas particles is directly related to the temperature of the gas according to the kinetic theory of gases. This theory states that the temperature of a gas is a measure of the average kinetic energy of its particles.

The kinetic energy of gas particles is a measure of their motion. As the temperature of a gas increases, the average kinetic energy of the particles also increases. This is because temperature is a measure of the average speed of the particles, and the kinetic energy is directly proportional to the square of the velocity. When the temperature of a gas is increased, the particles move faster, resulting in an increase in their kinetic energy.

The size of the particles, as mentioned in options a and b, does not directly affect the average kinetic energy of the particles. The average kinetic energy depends on the mass and velocity of the particles, not their size.

It is important to note that the average kinetic energy of the particles is related to the temperature in Kelvin, which is the absolute temperature scale. In the Kelvin scale, zero Kelvin represents absolute zero, the temperature at which all molecular motion theoretically stops. As the temperature increases from absolute zero, the average kinetic energy of the particles also increases.

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Answer: Copper and Zinc --> Copper Sulphate is possible

Explanation:

Answer:

Electrons on the outermost shell of an atom. They are responsible for the chemical properties of an atom.

Answer:

Radiation

Conduction is the transfer of thermal energy through direct contact. Convection is the transfer of thermal energy through the movement of a liquid or gas. Radiation is the transfer of thermal energy through thermal emission.

The product(s) of a heated reaction of N-ethyl-N-methylpentanamide with sodium hydroxide would be N-ethyl-N-methylpentanamide sodium salt.

During the reaction, the amide functional group of N-ethyl-N-methylpentanamide reacts with the sodium hydroxide to form a sodium salt.

This reaction is called an amide hydrolysis, where the amide bond is broken and replaced with a carboxylate group. In this case, the N-ethyl-N-methylpentanamide sodium salt is formed as the product.

The reaction is typically carried out under heating conditions to facilitate the hydrolysis process.

The formation of the sodium salt can have various applications, such as in the synthesis of pharmaceutical compounds or as an intermediate in organic chemistry reactions.

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Measurements of fossilized tree rings from the Cretaceous period is a paleoclimate proxy. -database of satellite temperature data,

An animal or plant from a previous geologic era that has been preserved in the Earth's crust as a fossil, remnant, impression, or trace. The main repository for knowledge regarding the evolution of life on Earth is the complex of information preserved in fossils found all across the world.

fossils of dinosaurs discovered in Alberta, Canada. Only a small percentage of extinct species have been preserved as fossils, and often only those with a sturdy skeleton are capable of doing so. A calcareous skeleton or shell is present in the majority of major groups of invertebrate creatures (e.g., corals, mollusks, brachiopods, bryozoans). Other types have silicon dioxide or calcium phosphate shells (both of which are found in the bones of vertebrates).

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The best design for this experiment is to number the items from 1 to 1,200 and then choose random numbers in the table of random digits (second option).

These tables are used to randomly assign items or subjects into groups when experimenting. The best way to use these tables are:

Based on this, for this experiment the steps are:

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Answer:

b. Number each item from 1 to 1,200. Reading from left to right from a table of random digits, identify 800 unique numbers from 1 to 1,200. Assign the items with labels in the first 400 numbers to the process 1 group. Assign the items with labels in the second 400 numbers to the process 2 group. Assign the remaining items to the process 3 group.

Explanation:

Statistics A edg. 2023

To make bacterial cells competent, the chemical used is calcium chloride.

This treatment increases the efficiency of DNA uptake by the cells, allowing them to take up exogenous DNA more effectively. The bacterial cells that can take up the foreign DNA from the surroundings by a process called transformation are known as competent cells. Griffith first reported it in Streptococcus pneumoniae. E.coli cells are more likely to uptake the DNA if their cell walls are altered. The cells can be made competent by calcium chloride and heat shock treatment. The cells growing rapidly can be made competent more easily than those in other stages of growth.

The cells might express the acquired genetic information after transformation. The process is largely used to introduce recombinant plasmid DNA into competent bacterial cells. This process does not require a donor cell, but only a DNA in the surrounding environment.

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Answer:

Condensation

Explanation:

the process of evaporation and condensation takes 7.5 times as much energy as melting or freezing.

According to the forces of attraction, condensation process  requires more energy to be released,as in the process state is changing from less orderly state to a more orderly state.

Forces of attraction  is a force by which atoms in a molecule  combine. it is basically an attractive force in nature.  It can act between an ion  and an atom as well.It varies for different states  of matter that is solids, liquids and gases.

The forces of attraction are maximum in solids as  the molecules present in solid are tightly held while it is minimum in gases  as the molecules are far apart . The forces of attraction in liquids is intermediate of solids and gases.

The physical properties such as melting point, boiling point, density  are all dependent on forces of attraction which exists in the substances.

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Explanation:

Hydrogen bonding, present in alcohols but not hydrocarbons, leads to strong intermolecular forces and increases the boiling point significantly.

For example:

Glycerol has 3 OH groups, which lead to a much more extensive hydrogen-bonding network and a higher boiling point compared to the 1 OH or 2 OH in other chains.

C/ If Fe is greater than Fg, the negatively charged oil droplet will move freely toward the negatively charged plate.

In the Millikan oil droplet experiment, the negatively charged oil droplets are subjected to an electric field created by the charged plates. The electric force (Fe) acts on the oil droplet in a direction opposite to the gravitational force (Fg). When Fe is greater than Fg, the electric force overcomes the gravitational force, causing the negatively charged oil droplet to experience an upward force. As a result, the oil droplet moves freely upward toward the negatively charged plate.

Option B is incorrect because if Fe is equal to Fg, the forces balance each other, resulting in a stationary droplet. However, the question states that Fe is increased until it is greater than Fg, implying that the droplet is no longer stationary but moves in response to the electric force.

Therefore, option C is the correct answer, as it describes the effect of an electric field on the motion of a negatively charged oil droplet in the Millikan oil droplet experiment.

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There are various kind of elements that are present in periodic table. Some elements are harmful, some are radioactive, some are noble gases. If an element with no electrons to share belongs to noble gas family.

Periodic table is a table in which we find elements with properties like metals, non metals, metalloids and radioactive element arranges in increasing atomic number.

Periodic table help a scientist to know what are the different types of elements are present in periodic table so that they can discover the new elements that are not being discovered yet.

Noble gas is the group 18 elements whose octet is complete and they are not ready to give or take electrons from other element. They are very much stable on its own.

Therefore if an element has no electrons to share and is stable then that element belongs to group 18 or noble gas family.

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Based on the available resources and profit per unit, producing 266 units of Product 1 would result in the highest total profit of BD 585.20.

To determine the maximum number of units of each product that can be produced given the available resources, we need to compare the resource requirements of the products with the available resources.

Let's calculate the resource requirements for each product:

Product 1:

- Metal sheet: 0.250 m2 per unit

- Glass sheet: 0.120 m2 per unit

- Electrical components: 3 units per unit

Product 2:

- Metal sheet: 0.150 m2 per unit

- Glass sheet: 0.050 m2 per unit

- Electrical components: 2 units per unit

Now let's compare the resource requirements with the available resources:

Metal sheets:

- Product 1 requires 0.250 m2 per unit, so the maximum number of units that can be produced using available metal sheets is 90 m2 / 0.250 m2 = 360 units.

- Product 2 requires 0.150 m2 per unit, so the maximum number of units that can be produced using available metal sheets is 90 m2 / 0.150 m2 = 600 units.

Glass sheets:

- Product 1 requires 0.120 m2 per unit, so the maximum number of units that can be produced using available glass sheets is 30 m2 / 0.120 m2 = 250 units.

- Product 2 requires 0.050 m2 per unit, so the maximum number of units that can be produced using available glass sheets is 30 m2 / 0.050 m2 = 600 units.

Electrical components:

- Product 1 requires 3 units per unit, so the maximum number of units that can be produced using available electrical components is 800 units / 3 units = 266 units.

- Product 2 requires 2 units per unit, so the maximum number of units that can be produced using available electrical components is 800 units / 2 units = 400 units.

Now let's determine the maximum number of units that can be produced for each product based on the limiting resource:

Metal sheets: The maximum number of units that can be produced is 360 units (for Product 1) since it requires a larger area of metal sheets.

Glass sheets: The maximum number of units that can be produced is 250 units (for Product 1) since it requires a larger area of glass sheets.

Electrical components: The maximum number of units that can be produced is 266 units (for Product 1) since it requires a larger number of electrical components.

Since the limiting resource for all three resources is reached with Product 1, the maximum number of units that can be produced for Product 1 is 266 units. As for Product 2, it can be produced up to a maximum of 250 units.

Now let's calculate the profit for each product:

Profit per unit for Product 1: BD 2.200

Profit per unit for Product 2: BD 1.400

Total profit for Product 1: 266 units × BD 2.200 = BD 585.20

Total profit for Product 2: 250 units × BD 1.400 = BD 350.00

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