3 years ago

What does expunge mean?

Chemistry

1 answer:

trasher [3.6K]3 years ago

3 0

It means is where something is removed or erased completely or something unwanted or unpleasant.

Hope this helps and the right meaning of expunge.

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A bacteria culture begins with 15 bacteria which double in amount at the end of every hour. Solve for the number of bacteria tha

pshichka [43]

The number of bacteria is given by:
N(t) = N(o) x 2ⁿ
Where N(t) is the number after n hours have passed and N(o) is the original number which is 15.
The number grown in the 12th hour is the difference in the number after the 11th and the 12th hour. Thus:
15 x 2¹² - 15 x 2¹¹
= 30,720 bacteria

5 0

3 years ago

For below checmical equation (which may or may not be balanced), list the number of each type of atom on each side of the equati

Olegator [25]

Answer:

Left hand side:-

Carbon - 12

HYdrogen - 28

Oxygen - 38

Right hand side:-

Carbon - 12

Hydrogen - 28

Oxygen - 38

Since, the number of atoms each side are equal, the reaction is balanced.

Explanation:

The given reaction is:-

$2C_6H_{14}_{(l)}+19O_2_{(g)}\rightarrow 12CO_2_{(g)}+14H_2O_{(g)}$

Left hand side:-

Carbon - 12

HYdrogen - 28

Oxygen - 38

Right hand side:-

Carbon - 12

Hydrogen - 28

Oxygen - 38

<u>Since, the number of atoms each side are equal, the reaction is balanced.</u>

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3 years ago

Please help! it’s due date is in a few minutes

Licemer1 [7]

Answer:

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Explanation:

X is smaller than |-40|

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2 years ago

4. Describe a solution and tell if the parts are mixed chemically or physically help please will give brainliest

Stels [109]

Hello There!

The solution: salt water
Mix: Physical as you could still separate them

A chemical mix can't be reversed.

Hope This Helps You!
Good Luck :)

- Hannah ❤

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3 years ago

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2 years ago