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Anestetic [448]
2 years ago
9

Pleaaaaaase Somebody!!!!

Chemistry
1 answer:
PSYCHO15rus [73]2 years ago
5 0

Answer: i'll add when i find more

France has absolutism and England has constitutionalism.

France's kings had absolute power and England's kings are restricted by Parliament.

Explanation:

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Given the following equation: 4 NH3 (g)5 O2 (g) >4 NO (g) + 6 H20 (I) How many moles of NH3 is required to react with 25.7 gr
Sergeu [11.5K]

Answer:

0.6425 moles of NH_3 is required to react with 25.7 grams of O_2.

Explanation:

mas of oxygen gas = 25.7 g

moles of oxygengas = \frac{25.7 g}{32 g/mol}=0.8031 mol

4NH_3 (g)+5O_2 (g) \rightarrow 4 NO(g) + 6H_20 (I)

According to reaction given above,  5 moles of oxygen gas reacts with 4 moles of ammonia gas.

Then 0.8031 moles of oxygen gas will react with :

\frac{4}{5}\times 0.8031 mol=0.6425 mol of ammonia gas

0.6425 moles of NH_3 is required to react with 25.7 grams of O_2.

5 0
3 years ago
What is the molarity (M) of a solution with 2 mol of NaCl in 0.50 L of solution?
irinina [24]

Answer:

The answer to your question is 4 M

Explanation:

Data

NaCl 2 moles

Volume = 0.5 l

Molarity = M

Process

1.- Write the formula of Molarity

     Molarity = \frac{number of moles}{volume (liters)}

2.- Substitution

     Molarity = \frac{2 moles}{0.5 liters}

3.- Simplification and result

             Molarity = 4 M

5 0
2 years ago
the curved movement of air or water is the result of which of these. A).Winds speeding off equater B).the rotation of earth on i
Ivahew [28]
The curved movement of air or water is the result of which of these:
The answer is B
8 0
3 years ago
Read 2 more answers
Your friend makes the statement that, “Water boils at a higher temperature than ethanol.” To which step of the scientific method
deff fn [24]

Explanation:

Experiment because water boils at 100°c and ethanol 80°co

7 0
3 years ago
How many moles of ethylene (C2H4) can react with 12.9 liters of oxygen gas at 1.2 atmospheres and 297 Kelvin? C2H4(g) + 3O2(g) y
7nadin3 [17]
1) Convert 12.9 liters of Oxygen to mol at the given conditions:

PV = nRT ⇒ n = PV/RT

n = [1.2atm*12.9 l] / [0.082 atm l /K mol * 297K]

n = 0.636 mol of O2

2) use the stoichiometry derived from the balanced chemical equation

 1mol C2H4 / 3  mol O2 =  x mol C2H4 / 0.636 mol O2

x = 0.636 / 3 mol O2 = 0.212 mol O2.

Answer: 0.212 mol O2
5 0
3 years ago
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