Chemistry, 24.09.2019 23:30 imagodatfortnite
An air tight freezer measures 4 mx 5 m x 2.5 m high. with the door open, it fills with 22 °c air at 1 atm pressure.
a. calculate the density of this air in kg/m3
b. after closing the door it is cooled down to 7 °c. how low will the pressure in the freezer
be in units of pa and mmhg?
c. how many newtons of force will be needed to open the 1 m x 2 m door?
Answers: 3
Chemistry, 22.06.2019 08:30
Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?
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Chemistry, 22.06.2019 10:40
If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !
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Which of the following shapes would represent a molecule with two bonded atoms and 3 lone pairs on only one of them , trigonal planar , bent , trigonal pyramidal , linear
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An air tight freezer measures 4 mx 5 m x 2.5 m high. with the door open, it fills with 22 °c air at...
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