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tresset_1 [31]
3 years ago
11

Calculate how many grams of BeCl2 are required to produce 0.52 grams of MnCl2

Chemistry
1 answer:
Leokris [45]3 years ago
7 0

Answer:

65.0cp

Explanation:

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2 Na + Cl ---> 2NaCl
Greeley [361]

Answer:

1. d. 84g

2. c. 77.4%

Explanation:

1. Based on the reaction 2 moles of Na produce 2 moles of NaCl.

The moles of Na (22.99g/mol) in 33g are:

33g * (1mol / 22.99g) = 1.435 moles Na = 1.435 moles NaCl must be produced.

The mass of NaCl is (Molar mass: 58.44g/mol):

1.435moles * (58.44g / mol) = 84g

d. 84g

2. Percent yield is defined as 100 times the ratio between actual yield (65g) and theoretical yield (84g). The percent yield is:

65g / 84g * 100 =

c. 77.4%

5 0
3 years ago
What does the steepness of the line on the graph represent?
hoa [83]

Answer:

The steepness of a hill is called a slope. The same goes for the steepness of a line. The slope is defined as the ratio of the vertical change between two points, the rise, to the horizontal change between the same two points, the run.

5 0
3 years ago
What is the balanced equation for CaCO3(s) > CaO(s) + CO2(g
vlada-n [284]
Balanced equation :

1 CaCO3(s) = 1 CaO(s) + 1 CO2(g)

hope this helps!

3 0
3 years ago
A gas at constant volume has a pressure of 4. 50 atm at 200. K. What will be the pressure of the gas at 250. K? 3. 60 atm 4. 60
Trava [24]

5.625 atm will be the pressure of the gas at 250 K temperature of the gas at constant volume.

<h3>How we calculate the pressure of the gas?</h3>

Pressure of the gas will be calculated by using the ideal gas equation as:

PV = nRT,

From the question, it is clear that:

Moles of the gas and volume is constant here, so we calculate the pressure by rearranging the above equation as:

P/T = nR/V

And required equation will be:

P₁/T₁ = P₂/T₂, where

P₁ = pressure of gas = 4.50 atm

T₁ = temperature of gas = 200 K

P₂ = pressure of gas = to find?

T₂ = temperature of gas = 250 K

On putting all these values in the above equation, we get

P₂ = 4.50 × 250 / 200 = 5.625 atm

Hence, 5.625 atm is the pressure of the gas.

To know more about ideal gas equation, visit the below link:

brainly.com/question/1056445

5 0
3 years ago
Please finish this <br> C3H8+5O2
stiks02 [169]

Answer:

Below.

Explanation:

This is the combustion of the hydrocarbon propane.

C3H8 + 5O2 --> 3CO2 + 4H2O

6 0
3 years ago
Read 2 more answers
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