Chemistry, 01.04.2021 18:20 malacath3394
A student wanted to study the effect of temperature on algae levels in a
local stream. Which items are most useful for gathering data and most
appropriate for communicating the results of her observations?
Select one:
Microscopes and written descriptions of weather patterns
Research on the Internet and videotapes of water samples
pH strips and written observations of stream water
Test tubes, thermometers, and graphs of results
Answers: 2
Chemistry, 22.06.2019 15:30
A1.5l container holds p.50 grams of an unknown gas at a pressure of 0.44 atm and a temperature of 50.c what is the molar mass of the unknown gas
Answers: 1
Chemistry, 22.06.2019 16:00
Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules
Answers: 1
Chemistry, 22.06.2019 19:00
A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.
Answers: 1
A student wanted to study the effect of temperature on algae levels in a
local stream. Which items...
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