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QveST [7]
3 years ago
15

Which of the following would not be an isotope of carbon-12? A. Carbon-14 B. Carbon-13 C. Boron-12 D. Carbon-11

Chemistry
1 answer:
Oliga [24]3 years ago
6 0
C because it isn't carbon
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If you know the mass of an object you can calculate its weight with the formula
Vikki [24]
Answer: True

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You only need to know the mass of the object because the acceleration of gravity is ALWAYS (assuming the object is on Earth) 9.8 m/s^2. 
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3 years ago
When the substance dissolves the solution is not transparent true or false <br>​
bogdanovich [222]

Answer:

Some substances dissolve when you mix them with water. When a substance dissolves, it might look like it has disappeared, but in fact it has just mixed with the water to make a transparent (see-through) liquid called a solution.

Explanation:

8 0
2 years ago
During a reaction 24 cubic cm of carbon dioxide was given off. After 8 minutes no more gas was produced and the reaction was com
yuradex [85]

Answer:

Explanation:

Given parameters:

Volume of CO₂ = 24cm³

time taken for the reaction to complete = 8minutes.

Unknown:

rate of reaction

Soution

The reaction rate is a measure of speed of a chemical reaction. It is often calculated using the expression below:

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   Reaction rate = \frac{24}{8} = 3cm³/min

In this reaction, 3cm³ of carbon dioxide were produced per minute

7 0
3 years ago
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Typically, your percent yield is ______ than 100% because ___________________________.
masya89 [10]

Reasons why percent yield is more than 100

Typically, percent yields are understandably less than 100% because of the reasons indicated earlier. However, percent yields greater than 100% are possible if the measured product of the reaction contains impurities that cause its mass to be greater than it actually would be if the product was pure.

figure it out

3 0
2 years ago
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Which is a heterogeneous mixture a jar of nuts
pogonyaev

Answer:

a party mix:-) it would be a jar of cashews, peanuts, almonds, ettc.

Explanation:

if you can separate the nuts, it is heterogenous

6 0
3 years ago
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