Chemistry, 23.01.2020 09:31 PompousCoyote
Which of the following is a synthesis reaction? a) 2h2 + o2 → 2h2o. b) 2h2o2 → 2h2o + o2. c) caco3 → cao + co2. d) 2agno3 + zn → 2ag + zn(no3)3
Answers: 3
Chemistry, 22.06.2019 01:30, elizediax8683
(apex) when a cup of water is dropped, as the cup falls, the water in the cup falls out true or false?
Answers: 1
Chemistry, 22.06.2019 13:50, amandamac7339
Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.
Answers: 1
Chemistry, 22.06.2019 18:30, kate3887
When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?
Answers: 1
Chemistry, 23.06.2019 00:30, runninglovexoxo
The molecular weight of carbon dioxide, co2, is 44.00 amu, and the molecular weight of nitrous dioxide, no2, is 46.01 amu, so no2 diffuses co2
Answers: 2
Which of the following is a synthesis reaction? a) 2h2 + o2 → 2h2o. b) 2h2o2 → 2h2o + o2. c) caco3...
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