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3 years ago

Example Which activity directly converts energy from the sun into chemical energy

Chemistry

1 answer:

anygoal [31]3 years ago

5 0

a bean plant making its own food to grow.

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Consider this question: What is the molarity of HCL if 35.23 mL of a solution of HCL contains 0.3366 g of HCL?

Crazy boy [7]

Answer: The molarity of HCl solution is 0.262 M

Explanation:

To calculate the molarity of solution, we use the equation:

$\text{Molarity of the solution}=\frac{\text{Mass of solute}\times 1000}{\text{Molar mass of solute}\times \text{Volume of solution (in mL)}}$

We are given:

Given mass of HCl = 0.3366 g

Molar mass of HCl = 36.5 g/mol

Volume of the solution = 35.23 mL

Putting values in above equation, we get:

$\text{Molarity of HCl}=\frac{0.3366g\times 1000}{36.5g/mol\times 35.23mL}\\\\\text{Molarity of HCl}=0.262M$

Hence, the molarity of HCl solution is 0.262 M.

6 0

3 years ago

A useful broad view of reactions between acids and bases involves the 1. ionization of atoms. 2. transfer of protons. 3. convers

Anuta_ua [19.1K]

Answer:

B: Transfer of protons

Explanation:

An acid by definition is a substance that can transfer a proton to another substance while a base is a substance that cab accept a proton.

A proton is a subatomic particle with a positive charge, present in the nucleus of an atom.

An example of an acid base reaction is dissolving sulfuric acid (H2SO4) in water

A proton from sulfuric acid is transferred to water. This proton transfer reaction between the strong acid and weak base, converts water into hydronium ion and sulfuric acid into bisulfate ion.

Chemical reaction:

H2SO4+H2O → HSO4−+H3O+

4 0

3 years ago

Calculate the ph of a solution that is 0.6 m in sodium acetate and 0.2 m in acetic acid. ka = 1.8 × 10−5 for acetic acid. 1. ph

Arte-miy333 [17]

0.53 x 200ml = 106 ml of the pH 9.0 buffer + 94 ml of the pH 10 buffer gives the desired solution

4 0

3 years ago

At 700C (1290F), what is the maximum solubility (a) of Cu in Ag? ( b) Of Ag in Cu?

DochEvi [55]

Answer:

(a) 4 %; (b) 5 %

Explanation:

We need a Cu-Ag phase diagram to answer these questions (see diagram). Yours may differ slightly from the one I used.

(a) Cu in Ag

The horizontal red line at 700 °C cuts the right-hand solvus at about 4 % Ag-96 % Cu.

At this point, copper is in equilibrium with the eutectic.

At 700 °C, the maximum solubility of Cu is about 4 % by mass.

(b) Ag in Cu

The horizontal red line at 700 °C cuts the left-hand solvus at about 5 % Cu-95 % Ag.

At this point, silver is in equilibrium with the eutectic.

At 700 °C, the maximum solubility of Ag is about 5 % by mass.

3 0

3 years ago

A potassium ion (K+) would most likely bond with _____. Mg+ O Cl- Na+

patriot [66]

Answer:

Chlorine

Explanation:

7 0

3 years ago

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