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Illusion [34]
3 years ago
6

What are qualitative and quantitative significance of chemical equation.​

Chemistry
1 answer:
mariarad [96]3 years ago
4 0

Answer:

Qualitative Analysis is the determination of non-numerical information about a chemical species, a reaction, etc. Examples would be observing that a reaction is creating gas that is bubbling out of solution or observing that a reaction results in a color change.

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All Molecules in a compound are the_____<br> Please Help I don't know the answer.
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3 years ago
What causes the biggest change mass or speed?
Norma-Jean [14]

Answer:

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6 0
2 years ago
What is an element in the alkali metal group
Tema [17]

Answer:

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8 0
2 years ago
Read 2 more answers
The first-order decay of radon has a half-life of 3.823 days. How many grams of radon remain after 7.22 days if the sample initi
Nesterboy [21]

substitute: <span><span>t<span>1/2</span></span>=<span><span>ln(2)</span>k</span>→k=<span><span>ln(2)</span><span>t<span>1/2</span></span></span></span> Into the appropriate equation: <span>[A<span>]t</span>=[A<span>]0</span>∗<span>e<span>−kt</span></span></span> <span>[A<span>]t</span>=[A<span>]0</span>∗<span>e<span>−<span><span>ln(2)</span><span>t<span>1/2</span></span></span>t</span></span></span> <span>[A<span>]t</span>=(250.0 g)∗<span>e<span>−<span><span>ln(2)</span><span>3.823 days</span></span>(7.22 days)</span></span>=67.52 g</span>

6 0
3 years ago
The symbol for the element in period 2, group 13
denis-greek [22]
Element: Boron
Symbol: B
So answer is B
8 0
2 years ago
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