3 years ago

What tools do you use to analyze physical evidence?

1 answer:

7 0

ABFO scales, calculator, string, tape, laser pointer, permanent markers, and a protractor

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goldfiish [28.3K]

Acids have a pH less than 7 (pH < 7)
Bases have a pH more than 7 (pH > 7)
A pH of 7 would be neutral

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4 years ago

TEA [102]

Answer:

6.12 L

Explanation:

Given that,

Initial volume, V₁ = 5 L

Initial temperature, T₁ = 7.0°C = 343 K

Final temperature, T₂ = 147°C = 420 K

We need to find its new volume. The relation between volume and temperature is given by :

$\dfrac{V_1}{T_1}=\dfrac{V_2}{T_2}\\\\V_2=\dfrac{V_1T_2}{T_1}\\\\V_2=\dfrac{5\times 420}{343}\\\\V_2=6.12\ L$

So, the new volume is 6.12 L.

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3 years ago

jek_recluse [69]

The answer is "Liquid".

Hope I could help you!
Have a great day ;)

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3 years ago

Karo-lina-s [1.5K]

If the temperature rises in a reaction. Exothermic is if it loses heat.

Have a nice day, brainliest would be fantastic.

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3 years ago

ValentinkaMS [17]

Answer:

cacfat lebron

Explanation:

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3 years ago