Chemistry, 03.10.2021 16:50 makaylahunt
how many mass of hydrogen gas will be liberated when 6g of magnesium dissolves in 250cm^3 and 6mol/dm^-3 of HCL
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Chemistry, 21.06.2019 16:00
Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change. when the temperature in a room increases from 25°c to 33°c, changes from a solid to a liquid. in a lab, methane and nitrogen are cooled from -170°c to -200°c. the methane freezes and the nitrogen . when gold is heated to 2,856°c it changes from a liquid to a .
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Chemistry, 22.06.2019 11:00
The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?
Answers: 1
Chemistry, 22.06.2019 21:50
What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car
Answers: 2
Chemistry, 23.06.2019 07:30
Type the letter that represents the correct location for each particle type below. the neutron is found at __ the electron is found at __ the proton is found at __
Answers: 2
how many mass of hydrogen gas will be liberated when 6g of magnesium dissolves in 250cm^3 and 6mol/d...
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