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Elis [28]
3 years ago
9

Someone pls help me I will make you brain

Chemistry
1 answer:
Yuri [45]3 years ago
5 0

Answer:

the first one

Explanation:

hope this helps

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2. Would you measure a pencil in meters? A hallway in millimeters? Discuss
Eduardwww [97]

Answer:

Measuring a pencil in meters would be very difficult, as a single meter is much longer than one pencil. Also, measuring a hallway in millimeters would be very difficult considering how small millimeters are in comparison to a hallway. However, if you switch these two then they would work very well.

5 0
3 years ago
Write the following number using Scientific notation : 13,215,296.50 *​
ludmilkaskok [199]

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13.22x10^7

Explanation:

7 0
3 years ago
The alkline earth metals include?
patriot [66]

Answer:

The Popular ones are five in number

Explanation:

Calcium

Silicon

Germanium

Tin

Lead

5 0
3 years ago
Predict the products of the thermal decomposition of strontium nitrate and show the reaction as a word equation.
Schach [20]

yeag

Explanation:

2SrO + 4NO2 + O. The thermal decomposition of strontium nitrate to produce strontium oxide, nitrogen dioxide and oxygen. This reaction takes place at a temperature of over 570°C

6 0
3 years ago
Which statement is true about molarity and percent by mass? (3 points)
lakkis [162]

Answer:  The correct option is, They are different units of concentration.

Explanation: Molarity : It is defined as the number of moles of solute present in one liter of solution.

5 0
3 years ago
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