Chemistry, 11.07.2019 15:00 issaaamiaaa15
Pipets used for the transfer of samples of aqueous solutions are always rinsedwith a small portion of the solution to be used before the sample is taken. calculate the percentage error arising in an experiment when 1-ml, 5-ml, and 10-ml pipets are used for transfer and each pipet contains 5 drops of water adhering to the inside of the barrel. a single drop of water has an approximate volume of 0.05 ml
Answers: 1
Chemistry, 21.06.2019 21:00
Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night. when he took it out, its new volume was 322 milliliters, but its pressure was the same. if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is kelvins.
Answers: 2
Chemistry, 22.06.2019 00:30
If 3.00 g of titanium metal is reacted with 6.00 g of chlorine gas, cl2, to form 7.7 g of titanium (iv) chloride in a combination reaction, what is the percent yield of the product?
Answers: 1
Chemistry, 22.06.2019 04:00
14. many depressants reduce small muscle control, making it harder for a. you to steer b. your mind to consider complex problems c. the eye to scan, focus, or stay still d. the kidneys to filter alcohol out of the bloodstream
Answers: 3
Chemistry, 22.06.2019 09:30
1. explain hydrogen peroxide, h 2 o 2 properties and decomposition reaction. 2. describe how each of the following natural cycles plays a part in earth’s climate system. (a) the water cycle (b) the carbon cycle
Answers: 1
Pipets used for the transfer of samples of aqueous solutions are always rinsedwith a small portion o...
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