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grin007 [14]
3 years ago
7

Gaseous methane (CH_4) will react with gaseous oxygen (O_2) to produce gaseous carbon dioxide (CO_2) and gaseous water (H_2O). S

uppose 6.42g of methane is mixed with 49. g of oxygen. Calculate the minimum mass of methane that could be left over by the chemical reaction. Be sure your has the correct number of significant digits.
Chemistry
1 answer:
aivan3 [116]3 years ago
3 0
You ugly, you yo daddy's son. 
<span>  YAAAAAAAAAAAAAAAAAAAAHHHHHHHHHHHHHHHHH!!!!!!!!!!!!!!!!!!!!!!!!!
</span>Juju on that beat, okay
 ????????
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A book sits motionless on a table. Which statement is true? Group of answer choices There are no forces acting on the book. The
Katena32 [7]

Answer:

The forces acting on the book are balanced by each other.

6 0
2 years ago
An ethylene gas torch requires 300 L of gas at 0.8 atm. What will be the pressure of the gas if ethylene is supplied by a 200.0
Vlad [161]

Answer:

1.2 atm

Explanation:

Given data

  • Volume of the gas in the tank (V₁): 200.0 L
  • Pressure of ethylene gas in the tank (P₁): ?
  • Volume of the gas in the torch (V₂): 300 L
  • Pressure of the gas in the torch (P₂): 0.8 atm

If we consider ethylene gas to be an ideal gas, we can find the pressure of ethylene gas in the tank using Boyle's law.

P_1 \times V_1 = P_2 \times V_2\\P_1 = \frac{P_2 \times V_2}{V_1} = \frac{0.8atm \times 300L}{200.0L} = 1.2 atm

3 0
2 years ago
Balance this equation: Al+ HNO3 ---- H2 + Al(NO3)3​
romanna [79]

Answer:

2Al+ 6HNO3 ---- 3H2 + 2Al(NO3)3​

Explanation:

Put coefficient a,b,c, and d for calculation:

a Al + b HNO3 = c H2 + d Al(NO3)3

for Al: a = d

for H: b = 2c

for N: b = 3d

for O: 3b = 9d

Suppose a=1, then d=1, b=3, c=3/2

multiply 2 to make all natural number, a=2, then b=6, c=3, d=2

6 0
3 years ago
A student has a salt water solution. When the student adds more salt to the solution it completely dissolves. What type of solut
AlladinOne [14]

Answer:

<h2>Saturated</h2>

Explanation:

<em>A</em><em>saturated solution is a solution that contains the maximum amount of solute that is capable of being dissolved. Table salt (NaCl) readily dissolves in water.</em>

3 0
2 years ago
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A scientist was studying a population of elephants. The first year, he counted a population of 80. Over the next eight
Mars2501 [29]

Answer:

The carrying capacity of this population would be 125 we know this because we see that this number occur multiple times and seems to be the tipping point after which the number of the population always go down

6 0
2 years ago
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