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Svetlanka [38]
3 years ago
7

Janet is sliding a box across the floor what does she need to know to calculate the force on a box?

Chemistry
1 answer:
emmasim [6.3K]3 years ago
5 0

Answer:

She needs to know the Mass and acceleration

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If fahrenhite is 200 then what is the reading of celsius​
sineoko [7]
  • Given Temperature=200°F

\\ \bull\tt\longmapsto F=\dfrac{9}{5}C+32

\\ \bull\tt\longmapsto 200=\dfrac{9}{5}C+32

\\ \bull\tt\longmapsto \dfrac{9}{5}C=200-32

\\ \bull\tt\longmapsto \dfrac{9}{5}C=168

\\ \bull\tt\longmapsto C=\dfrac{5}{9}\times 168

\\ \bull\tt\longmapsto C=5(18.2)

\\ \bull\tt\longmapsto C=36.4°C

8 0
3 years ago
Read 2 more answers
What is the final concentration if a 50.0 mL sample of a 15% H2SO4 solution is added to water to give a final volume of 250 mL?
Anna007 [38]

Answer:

The answer to your question is 3% H2SO4 solution

Explanation:

Data

Concentration 2 = C₂ = ?

Concentration 1 = C₁ = 15 %

Volume 1 = V₁ = 50 ml

Volume 2 = V₂ = 250 ml

Formula

             C₁V₁  = C₂V₂

Solve for C₂

             C₂ = C₁V₁ / V₂

Substitution

             C₂ = (15)(50) / 250

Simplification and result

             C₂  = 3 %

4 0
4 years ago
The vapor pressure of liquid pentane, C5H12, is 40.0 mm Hg at 244 K. A sample of C5H12 is placed in a closed, evacuated containe
Rudik [331]

Answer:

b. The pressure in the container will be 100mm Hg.

d. Some of vapor initially present will condense.

Explanation:

The vapor pressure of liquid Pantene rises when there is container where evacuation of water molecules is restricted. The pressure inside the container rises to 100 mm Hg and then liquid molecules start condensing. These molecule form vapors.

5 0
3 years ago
Pa help thank yoeee <3333 ​
Verizon [17]

Answer:

1.c

2.c

3.a

4.b

5.a

i think that's the answer

4 0
3 years ago
The Earth's surface is colder than the air above it, what will happen to the air?
Nitella [24]

Answer:

If the earth's surface is cold, warm air above it will lose heat energy to the cold surface below and the now cool air will remain close to the surface. If a damp surface is warmer than the air above it, some water will evaporate, and the air above the surface will be heated.

Explanation:

:)

7 0
3 years ago
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