Chemistry, 24.09.2019 19:30 autumnplunkett09
In an experiment, onion plants of different ages were exposed to various amounts of caffeine to determine the effect of caffeine on cell growth. temperature, amount of water, and light were kept constant. which of these statements about the experiment is definitely true?
a. the results may not be valid because there were two variables.
b. the amount of caffeine used was a control.
c. temperature, water, and light were the only variables.
d. onion plants can be used to model the effects of caffeine on living things.
Answers: 1
Chemistry, 22.06.2019 02:00
The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?
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Chemistry, 22.06.2019 13:00
Using the thermodynamic information in the aleks data tab, calculate the standard reaction free energy of the following chemical reaction: →+p4o10s6h2ol4h3po4s round your answer to zero decimal places.
Answers: 3
Chemistry, 22.06.2019 21:20
40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume
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In an experiment, onion plants of different ages were exposed to various amounts of caffeine to dete...
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