Chemistry, 26.03.2021 22:00 prasiddhipawani
Hydrochloric acid is neutralized by calcium hydroxide according to the following reaction:
Ca(OH)2 (aq) + 2 HCl (aq) → CaCl2(aq) + 2 H20 (1)
What is the concentration of a calcium hydroxide solution if 15.0 mL are exactly neutralized by 10.00 mL of 0.250 M HCl solution?
Answers: 3
Chemistry, 21.06.2019 15:00, chhimmidemg
How has the scientific community addressed the safety of chemicals? a. chemicals are repeatedly tested, even those that have existed for a long time. b. existing chemicals are tested if they have never been tested before. c. chemicals are tested if they are suspected to have caused a problem. d. only new chemicals are tested.
Answers: 2
Chemistry, 22.06.2019 08:00, PrincessKeliah5538
Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 1
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Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.
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Chemistry, 22.06.2019 19:30, Karinaccccc
How might this scientific phenomena be explained? a paper clip floats on water.
Answers: 1
Hydrochloric acid is neutralized by calcium hydroxide according to the following reaction:
Ca(OH)2...
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