Chemistry, 18.12.2019 20:31 benwill0702
The purpose of photosynthesis is to produce usable chemical energy or glucose from solar energy. if the formula for glucose is c6h12o6, how many atoms of carbon are used to produce the glucose?
a) 1
b) 2
c) 6
d) 9
during chemistry lab, mrs. blackās students placed an antacid tablet in a zip lock bag. they recorded the mass of the tablet in the bag. then they carefully added 50 grams of water and quickly sealed the bag. the tablet began to fizz and soon disappeared. the bag was filled with gas and it felt cold to the touch.
what type of change occurred in the bag and how can you support your answer?
a) it is a physical change because the tablet dissolved.
b) it is a physical change as evidenced by change in temperature.
c) it is a chemical change due to the change in temperature and gas production.
eliminate
d) it is a chemical change because the tablet dissolved and the temperature of the liquid dropped.
Answers: 1
Chemistry, 21.06.2019 21:00
Iwll give extra points to who gets this for ! what type of reaction is this? ?
Answers: 2
Chemistry, 22.06.2019 12:30
What is the percent composition of ca(oh)2? 37.7% ca, 53.0% o, and 10.3% h 45.5% ca, 38.2% o, and 16.3% h 54.0% ca, 43.0% o, and 2.7% h 64.7% ca, 27.0% o, and 8.3% h
Answers: 2
Chemistry, 22.06.2019 15:30
Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.
Answers: 1
Chemistry, 22.06.2019 16:00
How do dying stars contribute to the formation of planets
Answers: 1
The purpose of photosynthesis is to produce usable chemical energy or glucose from solar energy. if...
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