Chemistry, 11.09.2019 18:30 kiingbr335yoqzaxs
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victor made the graph shown to record the observations of an experiment to study the effect of soil additives on the growth of plants. three identical plants having a height of 25 cm were used for the experiment. the first plant had no soil additives, the second plant had wheat straw in the soil, and the third plant had polymer in the soil. all other growing conditions of the plants were kept constant.
which correct step in the scientific method did victor most likely do before the step described here?
analyze the data
publish the results
construct a hypothesis
make conclusions based on the graph
how is volume calculated given mass and density?
sum of mass and density
mass divided by density
mass multiplied by density
difference of mass and density
Answers: 2
Chemistry, 21.06.2019 21:00
Consider the nuclear equation below. 239 > x + 4 he 94 2 what is x? 1.235 cm 96 2.243 u 92 3.235 u 92 4.243 cm 96
Answers: 2
Chemistry, 22.06.2019 03:00
Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture
Answers: 1
Chemistry, 22.06.2019 06:00
Compare and contrast physical changes with chemical changes.
Answers: 1
Chemistry, 22.06.2019 17:10
In which block of the periodic table is uranium (u) found? s blockd blockp blockf block
Answers: 1
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victor made the graph shown to record the observations of an experiment to...
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victor made the graph shown to record the observations of an experiment to...
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