CHemistry Unit 7 Dimensional Analysis Practice

What will the resulting units be?

• inches

• feet

• meters/ft

• inches/ft

What will the resulting units be?

• cubic feet per day

• gallons per day

• gallons per hour

• cubic feet per hour

What will the resulting units be?

• cups per day

• pints per hour

• cups per week

• pints per day

Convert 354 grams to kg

• 0.354 kg

• 3.54 kg

• 35400 kg

• 3540 kg

Convert 26.2 m/s to km/hr

• 94.32 km/hr

• 3.41 km/hr

• 2.64 km/hr

• 0.98 km/hr

How many hours are in a fortnight (2 weeks)?

1 week = 7 days; 1 day = 24 hours [Note: do not round answer]

• 672 hours

• 168 hours

• 336 hours

• 504 hours

How many decades are equal to 1.7 x 10²⁵ minutes? Round your final answer to 2 sig figs.

(60 min = 1 hour; 24 hours = 1 day; 7 days = 1 week; 52 weeks = 1 year; 10 years = 1 decade)

• 3.2 x 10¹⁸ decades

• 3.2 x 10¹⁹ decades

• 1.2 x 10²² decades

• 2.3 x 10²⁰ decades

On Dr. Davis' bookshelf, there are 23 science textbooks, each with an average of 31 chapters. If each chapter contains 5 pages, how many total pages are there? (Round your answer to 2 sig figs)

• 3.6 x 10⁴ pages

• 36 pages

• 3.6 x 10² pages

• 3600 pages

A newborn baby eats 8 times a day. At each feeding, he eats 2.5 ounces of formula. How many days will it take

for the baby to eat 1000 ounces? (do not round your answer)

• 50 days

• 400 days

• 32 days

• 312 days

Jonathan raised 60 goats, then he traded all the goats for sheep at an exchange rate of 5 goats for 7 sheep. Next, he exchanged all the sheep for hogs at a rate of 4 sheep for 2 hogs. How many hogs did he get?

• 62 hogs

• 42 hogs

• 84 hogs

• 86 hogs