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Which experiment would BEST investigate the effect temperature has on the volume of a gas?
A.
Measure the pressure of the air in a bicycle tire on a cold day.
B.
Stretch a balloon over the top of a beaker filled with baking soda and vinegar, then observe how the balloon changes volume as the reaction occurs.
C.
Measure the volume of a balloon filled with room temperature air; place the balloon in a freezer for an hour and measure its volume again.
D.
Inflate one balloon to a large volume and another balloon to a small volume. Measure the temperature of the air released from both balloons.
Answers: 1
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Select the correct answer from each drop-down menu.describe what happens to a carbon-11 atom when it undergoes positron emission.the decay of a carbon-11 atom _1_, and this causes it to emit _2_.options for 1: > changes a neutron into a proton> changes a proton into a neutron> is hit with a neutron> reconfigures its protons and neutronsoptions for 2: > a negatively charged electron-sized particle> a positively charged election-sized particle> two atoms and several neutrons> two neutrons and two protons
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In a reaction equation, where are the products located? a.) above the arrow b.) to the right of the arrow c.) to the left of the arrow d.) below the arrow
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The molality of calcium chloride (cacl2) in an aqueous solution is 2.46 m. what is mole fraction of the solute?
Answers: 3
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Which experiment would BEST investigate the effect...
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