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jeyben [28]
4 years ago
14

Which is a chemical property of hydrogen?

Chemistry
2 answers:
xenn [34]4 years ago
7 0
B Being combustible means that it reacts to form something new. Chemical property
koban [17]4 years ago
6 0
The answers this question is A.
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Help I need to show work!
lubasha [3.4K]

Answer:

a. Combustion.

b. m_C=3.057gC

c. m_H=3.67gH

Explanation:

Hello.

a. In this case, given the reaction by which propane is converted into carbon dioxide and water:

C_3H_8+5O_2 \rightarrow 3CO_2+4H_2O

It is known as a combustion reaction since it is about a fuel (here propane) which is burnt by the oxygen contained in the air (21%).

b. Since the carbon dioxide contains all the carbon in the products based on the law of conservation of mass, the yielded grams are computed via a mole mass relationship:

m_C=11.21gCO_2*\frac{12gC}{44gCO_2}=3.057gC

Since 44 grams of carbon dioxide contain 12 grams of carbon.

c. As well as b., all the hydrogen is  given off in form of water, thus, the required mass turns out:

m_H=33.0gH_2O*\frac{2gH}{18gH_2O}=3.67gH

Since 18 grams of water contain 2 grams of hydrogen.

Best regards.

6 0
3 years ago
Plz PLZ plz PLz Plz Plz Help Plz dont answer if you dont know thank you :)
Sergeeva-Olga [200]

Answer: There is no question.

Explanation:

Due to no question I can simply not answer this. Pls mark me brianliest for answering correct.

Best Regards,

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7 0
3 years ago
Read 2 more answers
I need help with with number 1515. How many moles of NO2 are in a 37.058 L container at 101.28 kPa and -139.86
Andre45 [30]

Explanation:

To solve this question, we will use the Clayperon Equation:

P.V = n.R.T

where:

P = 101.28 kPa

1 atm = 101,325 Pa

x atm = 101,280 Pa

x = 1 atm

V = 37.058 L

n = we don't know

R = 0.082 atm.L/K.mol

T = -139.88 ºC = -139.88+273.15 = 133.27 K

1*37.058 = n*0.082*133.27

n = 0.29 moles

Answer: 0.29 moles

5 0
1 year ago
Please help me with these Radioactive Decay Problems ASAP! I need helppppp
Masteriza [31]

Answer:

5

Explanation:

it is very simple

5 0
3 years ago
A farmer uses water to irrigate his potato crops. Which roles of water does this examplify
exis [7]

Answer:

This exemplifies the agricultural role of water.

Explanation:

7 0
3 years ago
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