Chemistry, 15.04.2021 17:10 maxicanofb0011
A scientist is investigating which type of medicine would dissolve faster, a solid pill or a scoop of powder. Which hypothesis should the scientist develop given prior knowledge about surface area?
A. Solid pills have more surface area and will take longer to dissolve.
B. Solid pills have less surface area and will not dissolve.
C. Powders have less surface area and will dissolve faster.
D. Powders have more surface area and will dissolve faster.
Answers: 3
Chemistry, 22.06.2019 00:30, megaaan214p61pb7
Which compounds have the empirical formula ch2o? a. c2h4o2 b. c3h6o3 c. ch2o2 d. c5h10o5 e. c6h12o6
Answers: 3
Chemistry, 22.06.2019 09:10, aleilyg2005
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
Answers: 3
Chemistry, 22.06.2019 09:30, jewelz5887
1. explain hydrogen peroxide, h 2 o 2 properties and decomposition reaction. 2. describe how each of the following natural cycles plays a part in earth’s climate system. (a) the water cycle (b) the carbon cycle
Answers: 1
A scientist is investigating which type of medicine would dissolve faster, a solid pill or a scoop o...
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