Physics

Physics, 10.07.2019 10:30, 1qteg

The toy hammer has a mass of 55 grams. calculate the density of the hammer by using the picture above. (density=mass/volume) show your work d= m= v=

The toy hammer has a mass of 55 grams. calculate the density of the hammer by using the picture abov

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Biology, 27.06.2019 17:00, lilquongohard

Iam giving 40 points and brainliest! 1. what is the mass? density= 6 g/ml. volume= 42ml 2. what is the volume? mass= 4 grams. density=2 g/ml 3. what is the density? mass=12 grams. volume=4ml 4. what is the density? mass=121 grams. volume= 11ml 5. what is the volume? mass= 25 grams. density= 5 g/ml 6. what is the mass? density= 10g/ml. volume= 50ml

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Chemistry, 09.10.2019 16:10, keaganaplin

Pressure and temperature affect the amount of space between gas molecules, which affects the volume and, therefore, the density of the gas since density=massvolume the molar mass of a substance, however, is a constant and can be used to identify an unknown gas sample. molar mass is found by dividing the mass of a sample (in grams) by the number of moles in that sample. the number of moles of gas can be calculated using the ideal gas law pv=nrt which can be rearranged as n=pvrt given the number of moles of a gas and its molar mass, you can calculate the mass of the gas. since density is equal to the ratio of the mass and volume, you can then divide by the volume to find density. alternatively, you can use the ratio n/v from the ideal gas equation where n is the number of moles and v is the volume, and convert from moles per unit volume to grams per unit volume using molar mass part a calculate the density of oxygen, o2, under each of the following conditions: stp 1.00 atm and 30.0 ∘c express your answers numerically in grams per liter. enter the density at stp first and separate your answers by a comma. view available hint(s) density at stp, density at 1 atma t m and 30.0 ∘c = nothing g/l part b to identify a diatomic gas (x2), a researcher carried out the following experiment: she weighed an empty 3.1-l bulb, then filled it with the gas at 1.20 atm and 25.0 ∘c and weighed it again. the difference in mass was 4.3 g . identify the gas.

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