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Elanso [62]
3 years ago
5

The temperature of a sample of helium held in a metal cylinder at 85.0 kPa is 37°C. At what temperature (in °C) would the pressu

re of the gas be 98 kPa?
Chemistry
1 answer:
Vlad [161]3 years ago
3 0

Answer:

i had this on my last year book

lemme see if i can find it

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What is the density of a rock that has a mass of 555 g and a volume of 101.1 cm?
marin [14]

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the volume should be in cubic cm so I assumed that you wanted to write the same . then the answer is 5489.07 kg/m^3

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Which of the following is a scientific question?
Serjik [45]

Answer:

D. How frequently do earthquakes occur in San Francisco?

8 0
3 years ago
Perform the following conversions:
spayn [35]

0 K in Celsius scale is -273 degree Celsius and in Fahrenheit scale 459 degree F.

The degree of a body's heat or cold is referred to as the gas's temperature. It is stated in temperature units such as, degree Celsius, Fahrenheit  and Kelvin these temperature units are interchangeable. To convert Celsius to Fahrenheit ° F = 9/5 ( ° C) + 32, kelvin to Fahrenheit= ° F = 9/5 (K - 273) + 32, Celsius to kelvin K = ° C + 273.  to convert Fahrenheit to Celsius ° C = 5/9 (° F - 32)  In this question,  to convert Fahrenheit to Celsius ° C = 5/9 (° F - 32) = 0-273 K (5/9 - F-32) =459 degree F. and kelvin to Celsius K - 273 = C = -273 degree Celsius

At 8^0C K= 8 + 273 =281 degree Celsius and at 8F , 8= 9/5(k-273) +32 =453 F

To learn more about Fahrenheit and Celsius:

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5 0
1 year ago
According to Le Chatelier’s principle, what happens when the concentration of reactants is doubled ina chemical reaction that wa
Paraphin [41]
The equilibrium shifts to the right to favor the formation of the products. Le Chatelier's principle states that a system will do what it takes to negate any changes made or added to it.
3 0
3 years ago
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Applying the rules of significant figures, which of the following would be the correct value for the density of a substance whic
lilavasa [31]

16 g/ml

<h3>Further explanation</h3>

Given

mass = 32.40 g

volume = 2.0mL

Required

Density

Solution

Density is a quantity derived from the mass and volume  

Density is the ratio of mass per unit volume  

Density formula:  

\large {\boxed {\bold {\rho ~ = ~ \frac {m} {V}}}}

ρ = density  

m = mass  

v = volume  

Input the value :

ρ = 32.40 g / 2.0 ml

ρ = 16.2 g/ml

Rules for division: The least number of significant figures in the problem determines the number of significant figures in the answer.

32.40 = 4 sig.fig

2.0 = 2 sig fig

The answer must be 2 sig fig

So the answer = 16 g/ml

6 0
3 years ago
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