Heat Calculation

A 381.1 g sample of oxygen goes through a temperature change of +927.03 K. The specific heat capacity of oxygen is 0.918 J/(g·K). How many joules of heat were transferred by the sample?

• 3.24 × 10^5 J

• 3.44 × 10^5 J

• 3.76 × 10^5 J

• 4.09 × 10^5 J

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

A 165.5 g sample of iridium releases 44223 joules of heat. The specific heat capacity of iridium is 1.298 J/(g·K). By how much did the temperature of this sample change, in kelvins?

• -169 K

• -187 K

• -206 K

• -218 K

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

A 854.1 g sample of chromium releases 214220 joules of heat. The specific heat capacity of chromium is 0.449 J/(g·K). By how much did the temperature of this sample change, in kelvins?

• -525 K

• -559 K

• -626 K

• -693 K

Tags

NGSS.HS-PS3-4

A 837.6 g sample of gallium absorbs 31706 joules of heat. The specific heat capacity of gallium is 0.3684 J/(g·K). By how much did the temperature of this sample change, in kelvins?

• 103 K

• 110 K

• 127 K

• 134 K

Tags

NGSS.HS-PS3-4

A sample of lithium is subjected to a temperature change of -389.98 K while releasing 1323400 joules of heat. The specific heat capacity of lithium is 3.58 J/(g·K). What is the mass of this sample?

• 948 g

• 1060 g

• 1120 g

• 1220 g

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

A sample of ammonia undergoes a temperature change of -43.05 K while releasing 168670 joules of heat. The specific heat capacity of ammonia is 4.7 J/(g·K). What is the mass of this sample?

• 584 g

• 642 g

• 784 g

• 830 g

Tags

NGSS.HS-PS3-2

NGSS.HS-PS3-4

A 383.5 g sample of titanium absorbs 320410 joules of heat. The specific heat capacity of titanium is 0.523 J/(g·K). By how much did the temperature of this sample change, in kelvins?

• 1070 K

• 1210 K

• 1370 K

• 1600 K

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

A 867.8 g sample of copper undergoes a temperature change of -1288.03 K. The specific heat capacity of copper is 0.385 J/(g·K). How many joules of heat were transferred by the sample?

• -2.97 × 10^5 J

• -3.31 × 10^5 J

• -3.96 × 10^5 J

• -4.3 × 10^5 J

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

A sample of rhodium is subjected to a temperature change of +540.24 K while absorbing 23466 joules of heat. The specific heat capacity of rhodium is 0.2428 J/(g·K). What is the mass of this sample?

• 156 g

• 179 g

• 190 g

• 216 g

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

Given S(s) + O₂(g) ---> SO₂(g) ΔH = -287 kJmol^-1

if you burn 16 g of sulfur (S) how many kJ of heat is released/

M(S) = 32 g mol^-1

Tags

NGSS.HS-PS3-1