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stira [4]
3 years ago
14

How do instantaneous speed and average speed differ?

Chemistry
1 answer:
Wittaler [7]3 years ago
5 0

Answer:

Option 3

Explanation:

Option 3: Instantaneous speed is the speed of an object at a specific time, but average speed is the total distance over the total time. This is why they are called instantaneous and average, because instantaneous is at any one instance and average is the average speed it was moving over the total time which is calculated by the total distance/total time.

Hope this helped!

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QUE ES UN ENLACE GLUCOSÌDICO?
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Answer:

Explanation:

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3 years ago
a 108ml sampl of gas has a mass of 77.96mg at a pressure of 1140mmhg and temperature of 183°c .what is the molar mass of the gas
madam [21]

Answer:

146.85 g/mol

Explanation:

PV=nRT

n=mass/molar mass

covert from mmhg to atm = 0.184 atm

convert from ml to L= 0.108 L

convert from degree C to K= 456.15 K

convert from mg to g= 0.07796g

then rearrange the formula:

n=PV/RT

=(0.184)(0.108)/(0.08206)(456.15)

n= 5.308*10^(-4)

rearrange the n formula interms of molar mass:

Molar mass= mass/n

=0.07796/(5.308*10^-4)

molar mass= 146.85g/mol

3 0
3 years ago
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Which of the following best describes where cellular respiration occurs?
Illusion [34]

Answer:

In every body cell

Explanation:

4 0
3 years ago
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Which statements accurately describe mass? Check all that apply.
Alexxandr [17]

Answer:

the second,third and last statement

Explanation:

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4 0
3 years ago
At a certain temperature, 0.900 mol of SO3 is placed in a 2.00-L container.
Goryan [66]

Answer:

Kc = 2.34 mol*L

Explanation:

The calculation of the Kc of a reaction is performed using the values of the concentrations of the participants in the equilibrium.

A + B ⇄ C + D

Kc = [C] * [D] / [A] * [B]

According to the reaction

Kc = [SO2]^2 * [O2]^2 / [SO3]^2

Knowing the 0.900 mol of SO3 is placed in a 2.00-L it means we have a 0.450 mol/L of SO3

0.450 --> 0 + 0 (Beginning of the reaction)

0.260 --> 0.260 + 0.130 (During the reaction)

0.190 --> 0.260 + 0.130 (Equilibrium of the reaction)

Kc = [0.260]^2 + [0.130]^2 / [0.190]^2

Kc = 2.34 mol*L

3 0
3 years ago
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