The following statements about carbon dioxide are true except
a. it can be prepared by the ac...
Chemistry, 22.08.2019 05:30 angellynn581
The following statements about carbon dioxide are true except
a. it can be prepared by the action of acid on caco₃
b. it is used in fire extinguishers
c. it dissolves in water at room temperature
d. it sublimes rather than melts at 20 ̊c and 1 atm pressure
e. it is a product of photosynthesis in plants
Answers: 1
Chemistry, 22.06.2019 13:30, richardwalker8ourhg2
An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a. the mitochondria b. the nucleus c. the vacuoles d. the endoplasmic reticulum
Answers: 1
Chemistry, 22.06.2019 13:30, citlalli30
1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6
Answers: 2
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