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adoni [48]
3 years ago
7

According to the rate law (rate = k[a]m[b]n), what does the rate of a reaction depend on?

Chemistry
1 answer:
Andreyy893 years ago
8 0
Concentration of the reactant,pressure,surface
 area of the reactant  and temperatur
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Please help....thank you
FinnZ [79.3K]

Answer:

a. volcanic changes create new land

8 0
3 years ago
Aqueous solutions of copper (II) bromide and silver (1) acetate react to form solid
Sladkaya [172]

Answer:

5.63 g

Explanation:

Step 1: Write the balanced equation

CuBr₂(aq) + 2 AgCH₃CO₂(aq)  ⇒  2 AgBr(s) + Cu(CH₃CO₂)₂(aq)

Step 2: Calculate the reacting moles of copper (II) bromide

30.0 mL of 0.499 M CuBr₂ react. The reacting moles of CuBr₂ are:

0.0300L \times \frac{0.499mol}{L} = 0.0150mol

Step 3: Calculate the moles formed of silver (I) bromide

The molar ratio of CuBr₂ to AgBr is 1:2. The moles formed of AgBr are 2/1 × 0.0150 mol = 0.0300 mol.

Step 4: Calculate the mass corresponding to 0.0300 mol of AgBr

The molar mass of AgBr is 187.77 g/mol.

0.0300 mol \times \frac{187.77g}{mol} = 5.63 g

4 0
3 years ago
How many moles of O2 can be produced from 1.7 moles of KClO3?
Rina8888 [55]

Answer:

2.55 moles

Explanation:

Please see the step-by-step solution in the picture attached below.

Hope this answer can help you. Have a nice day!

7 0
3 years ago
A solution contains 14 grams of KCl in 100. grams of water at 40°C. What is the minimum amount of KCl that must be added to make
pashok25 [27]

Answer:

1386g

Explanation:

Solubility of a solute is the ability of the solute to mix into a liquid (the solvent). It measures the highest amount of substance mixed into a liquid solvent while they are both at equal amounts.

if 14g dissolved in 100cm3

  the amount that will dissolve in 1000cm3 = 14 x 1000/ 100

                                                                      =1400g

To form a saturated solution, 1400 - 14 = 1386g must be added.

8 0
3 years ago
Which of the following does NOT indicate that a chemical change may have taken place?
labwork [276]

The following does NOT indicate that a chemical change may have taken place is fracture formation. A chemical change happens when the substance changes its physical state and composition resulting from a chemical reaction. This chemical reaction may either give off or absorb energy. A change in color is a chemical change. For example, litmus paper turns to red when placed in an acid solution. Production of gas is a chemical change. For example, adding hydrochloric acid to the tiles of the bathroom gives a hissing sound with gases given off. Formation of a precipitate is also a chemical change. Change in shape is not a chemical change.

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3 0
3 years ago
Read 2 more answers
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