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Mazyrski [523]
2 years ago
8

What is the result when atoms combine in fixed ratios?

Chemistry
1 answer:
Liono4ka [1.6K]2 years ago
4 0

Answer:

Chemical reaction

Explanation:

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Silver nitrate solution reacts with calcium chloride solution according to the equation: 2 AgNO3 + CaCl2 → Ca(NO3)2 + 2 AgCl All
HACTEHA [7]

Answer:

14.33 g

Explanation:

Solve this problem based on the stoichiometry of the reaction.

To do that we need the molecular weight of the masses involved and then calculate the number of moles, find the limiting reagent and  finally calculate the mass of AgCl.

                      2 AgNO₃   + CaCl₂    ⇒   Ca(NO₃)₂   + 2 AgCl

mass, g                  6.97        6.39                                     ?

MW ,g/mol         169.87      110.98                                  143.32

mol =m/MW           0.10         0.06                                    0.10

From the table above AgNO₃ is the limiting reagent and we will produce 0.10 mol AgCl which is a mass :

0.10 mol x 143.32 g/mol = 14.33 g

5 0
3 years ago
What is the density of an object with volume of 5.36 mL and mass of 58.3
choli [55]

Answer:

option d is correct

Explanation:

8 0
2 years ago
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likoan [24]

Answer:

The average height of the sunflower sprouts at the end of week 3 is  12.0

cm.

The average height of the birch sprouts at the end of week 3 is  7.2

cm.

Explanation:

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7 0
3 years ago
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What mass would release 2620J of heat when cooled 50 degrees C?
OverLord2011 [107]

the answer is B)12.5

7 0
3 years ago
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1. Compound A contains 14 g of nitrogen for each 16 g of oxygen. Compound B contains 14 g of nitrogen for each 32 g of oxygen. W
Sever21 [200]

Answer:

The lowest whole number mass ratio of nitrogen that combines with a given mass of oxygen is 1:1

Explanation:

In compound A, we have 14 g of nitrogen combine with  16 g of oxygen

In compound B, we have 14 g of nitrogen combine with  32 g of oxygen

Therefore,  we have

                                                                  A                            B

Ratio of molar masses                               14:16                 14:32

Mass of O that combine with 1 g of N       1.14                   2.29

Dividing by the smallest mass ratio          1                        2

Therefore the lowest whole number mass ratio at which oxygen and nitrogen can combine = 1:1.

4 0
3 years ago
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