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zhenek [66]
3 years ago
15

Calculate the atmospheric pressure if the boiling point of water is 81 degrees Celsius.

Chemistry
1 answer:
Korolek [52]3 years ago
6 0
 if the boiling point is 81 then the atmospheric pressure is 365 mmHg
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Which of the following atoms will form an ion with the most negative charge?
nordsb [41]

Answer:

sulfur will form an ion with negative charge

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2 years ago
A balloon has a maximum capacity of 1700 m3. On a cool morning (temperature = 10°c, some hot-air balloonists start filling their
bulgar [2K]

V1/T1 = V2 / T2

V1 = 3/4(1700) = 1275

T1 = 10 + 273.15 = 283.15

V2 = 1700

T2 = V2T1

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Which type of precipitation is shown in the diagram below? How does this precipitation form?
Kisachek [45]

Answer:

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3 0
2 years ago
How much heat does a 100. g sample of copper absorb when its temperature increases by 30.0°C? The specific heat of copper is 0.3
erica [24]

Answer:

\boxed {\boxed {\sf B. \ 1170 \ Joules }}

Explanation:

We are asked to find how much heat a sample of copper absorbs when the temperature is increased.

Since we know the mass, temperature increase, and specific heat capacity, we can use the following formula to calculate heat.

q= mc \Delta T

The mass of the copper sample is 100 grams, the temperature is changed or increased by 30.0 degrees Celsius, and the specific heat of copper is 0.39 Joules per gram degrees Celsius.

  • m= 100 g
  • c= 0.39 J/g °C
  • ΔT= 30.0 °C

Substitute the values into the formula.

q= (100 \ g )(0.39 \ J/g \textdegree C ) (30.0 \textdegree C )

Multiply the first two values. Note that the units of grams cancel.

q= 39 \ J/ \textdegree C (30.0 \textdegree C )

Multiply again, this time the units of degrees Celsius cancel.

q= 1170 \ J

The copper sample absorbs <u>1170 Joules</u> of heat and <u>Choice B </u>is correct.

7 0
3 years ago
Does Ag metal reacts with NaOH​
joja [24]

No Ag cannot react with NaOH because Ag is less reactive than Na in the reactivity series and can't displace it

5 0
3 years ago
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