Which of the following is a direct observation? a. music may plants grow b. the plant is 22cm on day 23 c. two plants must have died from insects d. the plants will likely grow 2cm per day 2. a new fertilizer is being tested to determine if it will plants grow. each day the researcher gives fertilizer to half the plants and measures the height of all plants. this is an example of which step in the scientific method? a. ask a question b. conduct the experiment c. form a conclusion d. from a hypothesis
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Chemistry, 21.06.2019 22:50
Blank allows you to do calculations for situations in which only the amount of gas is constant a)boyle's law b)combined gas law c)ideal gas law d)dalton's law
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Chemistry, 21.06.2019 23:00
The drawing represents the movement of particles in a substance. what changes of state can this substance undergo
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Chemistry, 22.06.2019 18:10
Given the following at 25c calculate delta hf for hcn (g) at 25c. 2nh3 (g) +3o2 (g) + 2ch4 (g) > 2hcn (g) + 6h2o (g) delta h rxn= -870.8 kj. delta hf=-80.3 kj/mol for nh3 (g), -74.6 kj/mol for ch4, and -241.8 kj/mol for h2o (g)
Answers: 1
Chemistry, 22.06.2019 21:30
If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted
Answers: 3
Which of the following is a direct observation? a. music may plants grow b. the plant is 22cm on d...
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