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fiasKO [112]
3 years ago
10

PLEASE HELP ME ANSWER THIS ASAP! !​

Chemistry
2 answers:
lara31 [8.8K]3 years ago
8 0

Answer:

Change in velocity is -4m\s

acceleration is -2m\s^2 cause Change in velocity = final v - initial v

Explanation:

Calculating acceleration involves dividing velocity by time — or in terms of SI units, dividing the meter per second [m/s] by the second [s]. Thus the SI unit of acceleration is the meter per second squared .

joja [24]3 years ago
5 0

-4 m/s and -2 m/s2

:-)

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As the charges in the diagram are brought together, which statement best describes the potential energy? And why?
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To melt the ice on your driveway, you can use two moles of rock salt (NaCl) or two moles of calcium chloride (CaCl2). Which solu
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3 years ago
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Why is chlorine called non-metal?​
finlep [7]

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Explanation:

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8 0
3 years ago
Read 2 more answers
Complete combustion of a 17.12mg sample of xylene In oxygen yielded 56.77mg
Veronika [31]

Xylene moles =\frac{17.12}{106.16×1000}=0.00016moles=

106.16×1000

17.12

=0.00016moles

Moles of CO_2 =\frac{56.77}{44.01×1000}=0.0013CO

2

=

44.01×1000

56.77

=0.0013

Moles of H_2O= =\frac{14.53}{18.02×1000}=0.0008H

2

O==

18.02×1000

14.53

=0.0008

Moles ratios

\frac{0.0013}{0.0008}=1.625

0.0008

0.0013

=1.625

\frac{0.0008}{0.0008}=1

0.0008

0.0008

=1

Hence molecular fomula

The empirical formula is C 4H 5.

The molecular formula C8H10

8 0
2 years ago
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