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HEAT: Manipulating latent heat equations 2

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

The equation for calculating the energy involved in a substance being heated is Q = mCΔT. The quantity with joules as units is

a)

Q

b)

m

c)

C

d)

ΔT

2.

The equation for calculating the energy involved in a substance being heated is Q = mCΔT. The correct expression for calculating ΔT is

a)

=Qm ×C=\frac{Q}{m\ \times C}

b)

= m ×CQ=\ \frac{m\ \times C}{Q}

c)

= m ×QC=\ \frac{m\ \times Q}{C}

d)

= C × Qm=\ \frac{C\ \ \times\ Q}{m}

3.

The equation for calculating the energy involved in a substance being heated is Q = mCΔT. The correct expression for calculating m is

a)

 =QΔT×C=\frac{Q}{\Delta T\times C} 

b)

 = ΔT ×CQ=\ \frac{\Delta T\ \times C}{Q} 

c)

 = ΔT ×QC=\ \frac{\Delta T\ \times Q}{C} 

d)

 = C  × QΔT=\ \frac{C\ \ \times\ Q}{\Delta T} 

4.

The equation for calculating the energy involved in a substance being heated is Q = mCΔT. The correct expression for calculating C is

a)

 =QΔT×m=\frac{Q}{\Delta T\times m} 

b)

 = ΔT ×mQ=\ \frac{\Delta T\ \times m}{Q} 

c)

 = ΔT ×Qm=\ \frac{\Delta T\ \times Q}{m} 

d)

 = m × QΔT=\ \frac{m\ \times\ Q}{\Delta T} 

5.

The equation for calculating the energy involved in a substance being heated is Q = mCΔT. The quantity m has units of

a)

kg

b)

g

c)

J/kg

d)

oC

6.

The equation for calculating the energy involved in a substance being heated is Q = mCΔT. The quantity C has units of

a)

J/kgoC

b)

kg/JoC

c)

J/kg

d)

kJ/kg

7.

The equation for calculating the energy involved in a substance being heated is Q = mCΔT. The quantity T has units of

a)

s

b)

g

c)

J/kg

d)

oC

8.

The equation for calculating the latent involved in a substance being heated is Q = mL. The quantity with joules as units is

a)

Q

b)

m

c)

L

9.

The equation for calculating the latent involved in a substance being heated is Q = mL. The correct formula for the latent heat is

a)

L = QmL\ =\ \frac{Q}{m}

b)

L = mQL\ =\ \frac{m}{Q}

c)

m = LQm\ =\ \frac{L}{Q}

d)

m = QLm\ =\ \frac{Q}{L}

10.

The equation for calculating the latent involved in a substance being heated is Q = mL. The correct formula for the mass of material changing phase is

a)

 L = QmL\ =\ \frac{Q}{m} 

b)

L = mQL\ =\ \frac{m}{Q}

c)

m = LQm\ =\ \frac{L}{Q}

d)

m = QLm\ =\ \frac{Q}{L}