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mart [117]
3 years ago
5

NASA uses radar to track as much space junk as possible, but it's estimated that millions of pieces

Chemistry
1 answer:
gizmo_the_mogwai [7]3 years ago
8 0
D. All of the above
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C2 H6 +02 equals CO2 + H2O what mass of water is produced from three moles of C2 H6?
yulyashka [42]

Answer:

162g

Explanation:

We'll begin by writing the balanced equation for the reaction. This is given below:

2C2H6 + 7O2 —> 4CO2 + 6H2O

Next, we shall determine the number of mole of water, H2O produced by the reaction of 3 moles of C2H6.

This can be obtained as follow:

From the balanced equation above,

2 moles of C2H6 reacted to produce 6 moles of H2O.

Therefore, 3 moles of C2H6 will react to produce = (3 x 6)/2 = 9 moles of H2O.

Therefore, 9 moles of H2O is produced from the reaction.

Finally, we shall convert 9 moles of H2O to grams.

This can be done as shown below:

Molar mass of H2O = (2x1) + 16 = 18g/mol

Mole of H2O = 9 moles

Mass of H2O =..?

Mole = mass / molar mass

9 = mass of H2O /18

Cross multiply

Mass of H2O = 9 x 18

Mass of H2O = 162g

Therefore, 162g of H2O were produced from 3 moles of C2H6.

8 0
3 years ago
Can show some work for 4x = -12
timama [110]
4x = -12

First, divide both sides by 4. / Your problem should look like: x =  -\frac{12}{4}
Second, since 4 goes into 3 to get 12, simplify it by 3. / Your problem should look like: x = -3

Answer: x = -3

6 0
3 years ago
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What is the molarity of a solution prepared by dissolving 10.7 g NaI in 0.250 L?0.0714
hjlf

Answer:0.286M

Explanation:

10.7g / 149.89g/mol×0.25L

4 0
3 years ago
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Blue and orange, which color can be best absorbed?
baherus [9]

Blue is the color that can be best absorbed, as orange is the color seen.

6 0
3 years ago
Explain why atoms are always neutral in charge.
solniwko [45]
"Atoms have an equal proton and neutron charge."
5 0
3 years ago
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