2 years ago

ANSWER ASAP!!

Chemistry

2 answers:

xenn [34]2 years ago

6 0

Answer:

Acids sulfuric acid, hydrochloric acid. Bases ammonia water, sodium hydroxide.

Explanation:

Bas_tet [7]2 years ago

5 0

Answer:

Acids sulfuric acid, hydrochloric acid. Bases ammonia water, sodium hydroxide.

Explanation:

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A gas has an initial volume of 15 L. If the temperature increases from 330 K to 450 K, what is the new volume.

Artist 52 [7]

Answer:

20.(45)L or about 20.4545L

Explanation:

PV = nRT

Where:

P - pressure

V - volume

n - number of particle moles

R - a constant

T - temperature in K

We can assume the P and n (and definitely R) stay the same, so we infer that

$V_1 = \frac{nRT_1}{P} = 15L\\V_2 = \frac{nRT_2}{P}\\V_1 / V_2 = \frac{nRT_1}{P} / \frac{nRT_2}{P} = \frac{T_1}{T_2}\\\\15L / V_2 = \frac{330K}{450K} = \frac{11}{15}\\\\V_2 = 15L \cdot \frac{15}{11} = 20.(45)L$

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2 years ago

HELPPP simply the expression!!!!

coldgirl [10]

Answer:

$\frac{3}{ \sqrt{3} } \times \frac{ \sqrt{3} }{ \sqrt{3} } = \frac{3 \sqrt{3} }{3} = \sqrt{3}$

when there is a radical in the denominator, we should rationalize (mutiply the denominator and numerator by the radical) to get rid of the radical in the denominator.

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2 years ago

Name three of the most sensitive parts of your body (Appropriate parts. Ex: finger, wrist, shoulder, etc.)

yKpoI14uk [10]

Inner thigh, eyes, brain

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3 years ago

(14.1.50) 0.03 mol of helium are enclosed in a cylinder with a piston which maintains a constant pressure in the helium. Initial

icang [17]

Answer:

a) 0.210 j /k

b) 0.032 j/k

Explanation:

Find the attachment for solution

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3 years ago

CORO<br> Name three ways that scientists can ensure their results<br> are reliable

Leya [2.2K]

Answer:

Reliability. When a scientist repeats an experiment with a different group of people or a different batch of the same chemicals and gets very similar results then those results are said to be reliable. Reliability is measured by a percentage – if you get exactly the same results every time then they are 100% reliable.

Explanation:

Sorry, I only got one way.

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2 years ago