Heat Calculation

What  is the formula to calculate heat energy required to raise the temperature of any substance?

• Q=mc∆t
• Q=mc
• Q= ½mv
• m=QC

A sample of metal has a mass of 5.2 g and absorbs 20.0 J of energy as it is heated from 30.0°C to 37.35°C. What is the identity of the metal?

• copper

• magnesium

• aluminum

• titanium

Tags

NGSS.HS-PS3-4

Heat energy moves from __________ things to _________ things.

• warm / cold
• cold / warm
• liquid / solid

Tags

NGSS.HS-PS3-4

Calculate the amount of energy required to melt 35.0 grams of ice.

• 79100J

• 146.3J

• 11690J

• 39939.9J

Tags

NGSS.HS-PS3-1

How many Joules of energy are required to make 100 grams of ice at 0 ^οC completely melt?

• 200 J

• 400 J

• 33,400 J

• 2,000,000 J

Tags

NGSS.HS-PS3-1

How many joules are required to boil 75 grams of water?

• 25050J

• 169500J

• 31350J

• 10000J

How much energy is required to completely boil away 150g of water?

• 40080J

• 1417020J

• 339000J

• 439000J

Tags

NGSS.HS-PS3-1

If it takes 2500 J to completely boil away a sample of water then what was the mass of the sample?

• 5650000g

• 835000g

• 1.11g

• 7.48g

Tags

NGSS.HS-PS3-1

If it takes 1750 J to completely freeze a sample of water then what was the mass of the sample?

• 5.24J

• 584500J

• 0.77J

• 419J

Tags

NGSS.HS-PS3-1

In order for a sample to condense it must release 3500 J of energy. What is the mass of the sample?

• 1.55g

• 10.5g

• 837g

• 14630g

Tags

NGSS.HS-PS3-1