Chemistry, 28.05.2021 14:50 maddieb1011
Water is added to 215 mL of a 2.1 M solution of CaCl2 to increase the volume of the solution to 350. mL. What is the new concentration?
Answers: 1
Chemistry, 21.06.2019 19:00
Identify which properties could correspond to solids, plasmas, or both. maintain a unique shape. collide infrequently with other particles. have very high velocities. conduct electricity. protons. have a low temperature. has long-range order.
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Chemistry, 23.06.2019 03:00
Air pressure is measured in pascals. for a professional american football game, the ball should be inflated to about 90,000 pascals. scientists studied the effects of air temperature on the pressure inside american footballs by taking these steps: 1. prepare 100 footballs. 2. measure each football's air pressure. 3. divide footballs into 10 groups. 4. place the groups in different lockers cooled to different air temperatures. 5. after 12 hours, remove the footballs from lockers. 6. measure each football's pressure again. 7. compare the new pressures to the starting pressures. what two terms best describe the variable "air pressure inside the football" in this experiment? independent, qualitative independent, quantitative dependent, qualitative dependent, quantitative
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Chemistry, 23.06.2019 05:30
The term gas is limited to those substances that exist in the gaseous state at
Answers: 1
Water is added to 215 mL of a 2.1 M solution of CaCl2 to increase the volume of the solution to 350....
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