Physics

Physics, 25.06.2019 01:40, csamayoa1760

Apiece of iron weighs 155gf in air and 133gf in water. what is the volume and relative density of iron?

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Chemistry, 24.06.2019 07:50, drax13

1.) the density of iron is 7.8 g/cm3 and that of aluminum is 2.7 g/cm3. using a balance, you find that a block of iron has the same mass as a block of aluminum. which block has the larger volume? question 15 options: you cannot tell from the information given. the volumes are the same. the iron block the aluminum block 2.) iron combines with oxygen and water from the air to form rust. if an iron nail were allowed to rust completely, you should find that the rust weighs question 20 options: less than the nail it came from the same as the nail it came from more than the nail it came from it is impossible to predict. 3.)what is the reason for your answer to the last question? question 21 options: rusting makes the nail lighter. rust contains iron and oxygen. the nail flakes away. the iron from the nail is destroyed. the flaky rust weighs less than iron.

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Physics, 25.06.2019 05:00, starlightmoon213

A14.0 kg iron mass rests on the bottom of a pool. (the density of iron is 7.86 ✕ 103 kg/m3 and the density of water is 1.00 ✕ 103 kg/m3.) hint (a) what is the volume of the iron (in m3)? m3 (b) what buoyant force acts on the iron (in n)? (enter the magnitude.) n (c) find the iron's weight (in n). (enter the magnitude.) n (d) what is the normal force acting on the iron (in n)? (enter the magnitude.) n

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Chemistry, 05.07.2019 11:00, kimhoss2

Asample of iron metal is placed in a graduated cylinder. it is noted that 10.4 ml of water is displaced by the iron. the iron is then reacted with excess hydrochloric acid to produce iron (ii) chloride and hydrogen gas. given the density for iron is 7.86 g/ml, how many grams of iron (ii) chloride are produced in the reaction?

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Chemistry, 04.11.2019 07:31, crawford184232323234

You add 8.9 g of iron to 23.40 ml of water and observe that the volume of iron and water together is 24.53 ml . calculate the density of iron. express your answer to two significant figures with the appropriate units.

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Apiece of iron weighs 155gf in air and 133gf in water. what is the volume and relative density of ir...

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