Physics, 12.09.2021 09:10 kaylaamberd
This question is about some metals and metal compounds. а і Hafnium, Hf, forms a hydrated peroxide whose formula can be written as HfO3, 2H,0. Use the A values below to calculate the relative molecular mass of hydrated hafnium peroxide. (A values: Hf = 178.5, H = 1.0, 0 = 16.0)
Answers: 3
Physics, 22.06.2019 05:30
Utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must available hint(s)utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must pump water back into their cells to counter its loss due to osmosisactively pump water back out of their cells to counter its inflow due to osmosissynthesize membranes that are impermeable to substances that upset osmotic balanceactively pump salt back out of their cells to counter its inflow due to osmosis
Answers: 3
Physics, 22.06.2019 19:00
1) what is the power in horsepower of a 100 watt light bulb? what is the power in kilowatts of a 200 horsepower engine? 2) if a cars engine is providing 3000 n of force to keep the car moving at 5 m/s, what is the engine’s effective power? 3) how many gallons of water will be pumped from a well 30 feet deep by a 1/2 hp engine in 1 minute? (1 gallon weighs 8.34 pounds)
Answers: 1
Physics, 23.06.2019 11:00
A40 kilogram skier starts at the top of a 12 meter heigh slope. at the bottom she is traveling 10 meters per second how much does she lose to friction? a. 4,704 joules b. 2,704 joules. c.2,000 joules d. she doesn’t lose any because mechanical energy is conserved. 35
Answers: 1
Physics, 23.06.2019 16:00
Suppose that a block is pulled 16 meters across a floor. what amount of work is done if the force used to drag the block is 22 n? a. 352 j b. 200 j c. 220 j d. 330 j
Answers: 2
This question is about some metals and metal compounds. а і Hafnium, Hf, forms a hydrated peroxide w...
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