Problem 65
The space shuttle uses liquefied hydrogen at a temperature of \(-422^{\circ} \mathrm{F}\). What is the Kelvin temperature?
Problem 66
The temperature in the Mojave Desert in California has reached \(324 \mathrm{~K}\). What is the Fahrenheit temperature?
Problem 67
Distinguish between the terms temperature and heat.
Problem 71
If a gas furnace releases 450 kcal of heat energy, what is the energy in kilojoules? ( 1 cal \(=4.184\) J)
Problem 72
If a gas stove releases \(120 \mathrm{~kJ}\) of heat energy, what is the energy in kilocalories? \((1 \mathrm{cal}=4.184 \mathrm{~J})\).
Problem 73
If a computer hard disk has 1.5 terabytes (TB) of memory, what is the storage capacity in megabytes (MB)?
Problem 74
If a computer hard disk has 850 gigabytes (GB) of memory, what is the storage capacity in megabytes (MB)?
Problem 75
If a DVD can store 4.7 gigabytes (GB) of data, and a computer hard disk has a capacity of 1.5 terabytes (TB), how many DVDs of data can be loaded onto the hard disk?
Problem 76
If a USB flash drive can store 16 gigabytes (GB) of data, and a computer hard disk has a capacity of 2.0 terabytes (TB), how many flash drives of data can be loaded onto the hard disk?
Problem 77
Which of the following are exact equivalent relationships? (a) \(1 \mathrm{~m}=10 \mathrm{dm}\) (b) \(1 \mathrm{lb}=454 \mathrm{~g}\) (c) \(1 \mathrm{~L}=1000 \mathrm{~mL}\) (d) \(1 \mathrm{qt}=946 \mathrm{~mL}\)
