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My name is Ann [436]
3 years ago
13

How many grams of carbon dioxide are produced when 191 g of methane (CH4) are burned completely as shown in the reaction below:

Chemistry
1 answer:
guajiro [1.7K]3 years ago
4 0
CH5
step-by-step-explanation
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Consider the chemical equations shown here.
Alona [7]

Answer:

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Explanation:

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3 years ago
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If 9.6 X 1021 molecules of hydrogen are reacted with excess nitrogen, how many liters of ammonia can be produced at STP?
diamong [38]

The volume of NH₃ produced at STP : 0.237 L

<h3>Further explanation</h3>

Reaction

N₂ + 3H₂ → 2NH₃

1 mol = 6.02 x 10²³ particles

9.6 X 10²¹ molecules of Hydrogen, mol :

\tt \dfrac{9.61\times 10^{21}}{6.02\times 10^{23}}=1.596\times 10^{-2}~moles

mol H₂ : mol NH₃ = 3 : 2

mol NH₃ :

\tt \dfrac{2}{3}\times 1.596\times 10^{-2}=0.0106

Conditions at T 0 ° C and P 1 atm are stated by STP (Standard Temperature and Pressure). <em>At STP, Vm is 22.4 liters/mol.</em>

The volume of NH₃ :

\tt 0.0106\times 22.4=0.237~L

<em />

8 0
2 years ago
Which of these is evidence that an unbalanced force is acting on an object?
Anna11 [10]

Answer:

The motion of the object is changing

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Objects will only change their motion (direction, speed) if there is an unbalanced force of some kind acting on them. Balanced forces result in no change in the object's state of motion.

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In a classic experiment using pea shape, Mendel conducted two separate genetic crosses. In the first cross the parent plants wer
Ivanshal [37]
B. Any organism that "shows" a heritable factor must be homozygous. 

Let's go through all choices:
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D. TRUE! That's why sperm or egg are called haploid.
7 0
3 years ago
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A certain liquid has a density of 0.70g/m. Find the mass of 6.4L o this liquid
neonofarm [45]

The mass of the liquid is 4.8 kg.

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5 0
3 years ago
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