Chemistry, 17.10.2020 14:01 brittanyelliott028
1. For simplicity, suppose a grain of sand is a cube that is 0.2 millimeter on each
edge. About how many grains of sand packed tightly together would it take to
make a beach 300 meters long, 25 meters wide, and 5 meters deep?
Answers: 2
Chemistry, 22.06.2019 15:30
The identities of substances are the same before and after which type of change
Answers: 1
Chemistry, 22.06.2019 16:00
Answer asap : ( a. how does mucus prevent the entry of pathogens? b. describe two ways white blood cells protect us from pathogens.
Answers: 1
Chemistry, 23.06.2019 10:20
An engineer wishes to design a container that will hold 12.0 mol of ethane at a pressure no greater than 5.00x10*2 kpa and a temperature of 52.0 degrees celsius. what is the minimum volume the container can have?
Answers: 1
Chemistry, 23.06.2019 12:30
How does a nuclear reactor produce electricity? a. high-energy gamma rays are converted by a generator into electricity. b. the heat from the reaction turns water to steam, which runs a generator. c. the reaction produces a stream of electrons that flow through wires and into batteries. d. the heat released from the reaction is used to burn coal or gas to produce electricity. e. control rods absorb the neutrons emitted and release a stream of electrons as electricity.
Answers: 1
1. For simplicity, suppose a grain of sand is a cube that is 0.2 millimeter on each
edge. About how...
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