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2 years ago

A group of students are measuring how the acceleration of a mass will change due to a force.

Chemistry

1 answer:

Fudgin [204]2 years ago

4 0

The graph of the plot of acceleration against force is a straight line graph. Option B

<h3>What is the relationship between force and acceleration?</h3>

From the Newton's second law of motion we can derive that; F = ma

F= mass

a = acceleration.

This implies that the acceleration and the mass of a body has a linear relationship. We could then assert that the force is directly proportional to the acceleration with the mass being the constant in the equation.

As such, the force that is imparted to the body is what determines the acceleration and the both increases or decreases linearly. Thus the graph of the plot of acceleration against force is a straight line graph. Option B

Learn more about acceleration:brainly.com/question/12550364?

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A metal crystallizes with a face-centered cubic lattice. The edge of the unit cell is 417 pm. The diameter of the metal atom is:

enyata [817]

Answer:

b. 295 pm

Explanation:

To answer this question we need to use the equation of a face-centered cubic laticce:

Edge length = √8 R

<em>Where R is radius of the atom.</em>

<em />

Replacing:

417pm = √8 R

R = 147.4pm is the radius of the atom

As diameter = 2 radius.

Diameter of the metal atom is:

147.4pm* 2 =

295pm

Right answer is:

8 0

3 years ago

How many moles of MgS2O3 are in 223 g of the compound

KengaRu [80]

1.63 moles since 1 mole is equal to 136.4332 grams

6 0

4 years ago

Read 2 more answers

Starting at atmospheric pressure, by how much must the pressure change in order to lower the boiling point of water by 1° C? You

Marina86 [1]

Answer:

ΔP = -3556.36 Pa

Explanation:

Atmospheric pressure, P = 101300 Pa

Latent heat of boiling water, $L_{B} = 2.256 * 10^{6} J/kg$

Boiling point at atmospheric pressure, T = 373.15 K

ΔT = 1 K

The change in volume as the water boils to vapor will be

$\triangle V = V_{v} - V_{l}$

Since the volume of vapor ( $V_{v}$ ) is far greater than the volume of liquid ( $V_{l}$ )

$\triangle V = V_{v}$

Using the ideal gas equation:

$PV_{v} = RT\\V_{v} = RT/P$

R = 8.314 J/mol-K

$V_{v} = \frac{8.314 * 373.15}{101300} \\V_{v} = 0.0306 m^{3}$

ΔV = 0.0306 m³

Molecular weight of water, MW = 0.018 kg/mol

Using the Clausius - Clapeyron equation:

$\triangle P = \frac{L_B \triangle T}{T \triangle V}* MW\\\triangle P = \frac{2.256 * 10^{6} *1}{373.15* 0.0306}* 0.018$

ΔP = -3556.36 Pa

But the pressure change is said to lower the boiling point of water, only a negative pressure change will lower the boiling point.

ΔP = 3556.36 Pa

4 0

3 years ago

A sample of oxygen gas has a volume of 150.0 ml when its pressure is 0.947 atm. what will the volume of the gas be at a pressure

earnstyle [38]

Boyle's law gives the relationship between pressure and volume of gas. It states that for a fixed amount of gas at constant temperature, pressure is inversely proportional to volume of gas.
PV = k
where P - pressure, V - volume and k - constant
P1V1 = P2V2
where parameters for the first instance are on the left side and parameters for the second instance are on the right side of the equation.
substituting the values in the equation
0.947 atm x 150.0 mL = 0.987 atm x V
V = 144 mL
therefore new volume is 144 mL

5 0

3 years ago

The ability of carbon to attract electrons is

Gelneren [198K]

Less than that of nitrogen and oxygen remember cnof "see noff" . this is the order of electronegativity carbon is less than nitrogen which is less than oxygen which is less than fluorine.

5 0

3 years ago