Chemistry, 04.05.2021 01:00 bbostter1131
What volume would be needed to prepare 375 mL of a .45 M CaCl2 using only a solution of 1.0 M CaCl2 and water?
Answers: 1
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Which of these reactions are redox reactions? check all that apply.cd + hcl β cdcl2 + h2cucl2 + na2s β 2nacl + cuscaco3 β cao + co2 2zns + 3o2 β 2zno + 2so2 ch4 + 2o2 β co2 + 2h2o
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How does a hydroelectric power plant converts energy into energy.
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Nebulae are enormous clouds in outer space. they are made mostly of hydrogen gas, helium gas, and dust. some nebulae glow brightly, while others do not. the stars that people see are huge, bright balls of glowing gas. they are made mostly of hydrogen and helium. which statement correctly describes other ways in which nebulae and stars are different? a. stars can form inside a nebula but a nebula can never be produced by any star. b. a star always has a higher density than a nebula. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star.
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Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27Β°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 Β°c. the volume of the balloon increased to 59.3 m3. what is the original volume of the balloon? 13 m3 0.85 m3 0.077 m3 1.17 m3
Answers: 3
What volume would be needed to prepare 375 mL of a .45 M CaCl2 using
only a solution of 1.0 M CaCl...
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