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nikitadnepr [17]
2 years ago
12

In Chemistry, to be classified as an organic substance, a substance must contain

Chemistry
1 answer:
Natasha_Volkova [10]2 years ago
4 0
I'm going on a limb here, but Carbon is a definite. <span />
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If you have 10,000 grams of a substance that decays with a half-life of 14 days, then how much will you have after 56 days?
Crank

Answer: 625 grams

Explanation:

14 goes into 56, 4 times.

10,000÷2=5,000 - first half life

5,000÷2=2,500 - second half life

2,500÷2=1,250 - 3rd half life

1,250÷2= 625 - 4th half life

Note: don't type "grams" after 625, just type "625".

5 0
2 years ago
12) Which particle has the most energy? A) ice B) water C) steam D) there is no difference in particle energy
sladkih [1.3K]

C) Steam has the most energy.

Steam has more energy than Ice and Water because the particles in ice are close together, the particles in water flow more loosely than in a solid like ice and in steam they are very active.

I hope that helps u understand :)

6 0
3 years ago
Read 2 more answers
What physical properties would a pencil lead have
Leokris [45]
Some physical properties that a pencil would have is, color, density, texture, hardness (in this case the lead is soft). phase (liquid,solid gas), shape, size. physical properties describe the look and feel of a substance. I hope this helps
8 0
3 years ago
11.
alisha [4.7K]
11. Atomic number

12. in the nucleus with neutrons
6 0
3 years ago
Find the average rate of change in temperature for all 10 days ​
Andrej [43]

Answer:

The answer has to be 62.2

Explanation:

To get the average, you have to add the total of temp. and then divide the number of how many numbers you added. Since it is for 10 days, you have to add the total for the temp. first and then you divide by 10 like this: 622/10. Hope this help you :)

7 0
3 years ago
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