Chemistry, 18.03.2021 01:40, itsbritt8106
Martina is camping and needs wood for a cooking fire as well as for shelter. She gathers a variety of logs and branches from the surrounding area.
She chops and shapes some of the larger pieces of wood into uniform shapes to build her shelter. What kind of change is taking place as the wood is
chopped?
A. a change in matter
B. a change in physical property
C. a change in substance
D. a change in chemical property
Answers: 1
Chemistry, 22.06.2019 18:30, chinadoll24
Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o sncl2•4h2o sncl2•6h2o
Answers: 2
Chemistry, 22.06.2019 21:00, lalaween098
What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays
Answers: 3
Chemistry, 22.06.2019 22:00, shaylasimonds587
The volume of an unknown substance in a sealed glass jar is 50 milliliters. the volume of the jar is 200 milliliters. which state of matter could the substance be?
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Chemistry, 22.06.2019 23:30, adamgala3885
The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth
Answers: 1
Martina is camping and needs wood for a cooking fire as well as for shelter. She gathers a variety o...
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