Chemistry, 30.01.2020 13:02 fatimitashikita
Arock is placed into water and the volume of water increases 15 ml. what is the density of the rock if it had a mass of 24.3 grams
Answers: 2
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Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.
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In the reaction between a crushed antacid tablet and vinegar what gas is emitted
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Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?
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Chemistry, 22.06.2019 09:10
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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Arock is placed into water and the volume of water increases 15 ml. what is the density of the rock...
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