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dsp73
3 years ago
14

What type of chemical replacement is RbNO3 + BeF2 →Be(NO3)2 + RbF

Chemistry
1 answer:
Flauer [41]3 years ago
4 0

Answer:

Double replacement

Explanation:

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what+is+the+theoretical+yield+of+ammonia(in+grams)+of+19.25+grams+of+nitrogen+gas+and+11.35+grams+of+hydrogen+gas+are+allowed+to
kondor19780726 [428]
We are given the amount of Nitrogen gas and hydrogen gas reacted to form ammonia:

N2 = 19.25 grams
H2 = 11.35 grams

Set-up a balanced chemical equation:

N2 + 3H2 ==> 2NH3

The theoretical amount of ammonia that will be produced from the given amounts is:

First, we need to determine the limiting reactant to serve as our basis for calculation.

number of moles / stoichiometric ratio 

N2 = 19.25  g/ 28 g/mol / 1 = 0.6875
H2 = 11.35 g/ 2 g/mol /3 = 1.89 

The limiting reactant is N2.

0.6875 moles N2 * (2 NH3/ 1 N2) * 17 g/mol NH3

The amount of NH3 produced is 23.375 grams of ammonia. <span />
7 0
3 years ago
Choose all answers that apply
Alexeev081 [22]

Answer

Rapid Combustion

Explanation:

An explosion is a combustion and a quick reaction, That makes it rapid

3 0
3 years ago
Read 2 more answers
What is the volume in liters of 5.25 moles of He gas?​
serious [3.7K]

Answer:

\boxed {\boxed {\sf 117.6 \ L \ He}}

Explanation:

Regardless of the type of gas, 1 mole at standard temperature and pressure (STP) occupies a volume of 22.4 liters. In this case the gas is helium (He).

We can set up a ratio.

\frac { 22.4 \ L \ He}{ 1 \ mol \ He}

Multiply by the given number of moles.

5.25 \ mol \ He *\frac { 22.4 \ L \ He}{ 1 \ mol \ He}

The moles of helium will cancel.

5.25 *\frac { 22.4 \ L \ He}{ 1 }

5.25 * { 22.4 \ L \ He}

Multiply.

117.6 \ L \ He

5.25 moles of helium gas at STP is 117.6 liters of helium.

5 0
3 years ago
What does climate and climate change mean to you and your life? <br><br> Pls help
Yuri [45]

Answer:

Climate change and climate dramaticlly affect my lifestyle and day to day life.

Explanation:

4 0
3 years ago
The surface of water can act like a sort of skin due to a property of liquids called
stiv31 [10]
Surface tension ..viscosity is the thickness of a liquid, doesn't fit here...condensation and evaporation are processes not properties.
8 0
3 years ago
Read 2 more answers
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