3 years ago

Combustion reaction of ammonia

Chemistry

1 answer:

geniusboy [140]3 years ago

4 0

It produces nitrogen gas and water
4NH3+3O2+heat 2N2+6H 2O

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How many moles are present in 45.0 g of lithium oxide (Li2O)?

BigorU [14]

Molar mass Li2O = 7.0 x 2 + 16 => 30 g/mol

1 mole Li2O ---------- 30 g
( moles Li2O ) -------- 45.0 g

moles Li2O = 45.0 x 1 / 30

moles Li2O = 45.0 / 30

= 1.50 moles of Li2O

hope this helps!

4 0

3 years ago

What is the total anion concentration (in mEq/L ) of a solution that contains 6.0 mEq/L Na + , 11.0 mEq/L Ca 2+ , and 1.0 mEq/L

lubasha [3.4K]

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3 years ago

Please hurry! classify the following as a

Talja [164]

Answer:

pure substance.

Explanation:

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2 years ago

Read 2 more answers

43 mg = [?]g <br>A. 0.043 g <br>B. 4.3 g <br>C. 4300 g <br>D. 43,000 g

Ymorist [56]

Answer:

Option A (0.043 g) is the correct answer.

Explanation:

Given:

= 43 mg

As we know,

$1 \ mg = \frac{1}{1000} \ g$

then,

⇒ $43 \ mg = \frac{43}{1000} \ g$

$= 0.043 \ g$

Thus, the above is the correct alternative.

4 0

3 years ago

the enthalpy of vaporization of an roganic alchol is 35.3 kJ/mol at the boiling pointof 64.2 C calculate the entropy change for

bonufazy [111]

Answer:

Explanation:

s=h/t

=35.3/64.2(c)

=35.3/337.2(k)

=0.104

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2 years ago