Chemistry, 30.07.2019 14:10 gomez36495983
When 2 crystalline solid barium hydroxide octahydrate and crystalline solid ammonium nitrate are mixed in a beaker at room temperature, a spontaneous reaction occurs. the temperature of the beaker contents rapidly falls to below 0º c. use this information to decide whether the reaction is exothermic or endothermic and what the signs of δh and δs are?
Answers: 1
Chemistry, 22.06.2019 17:00
Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.
Answers: 1
Chemistry, 23.06.2019 15:30
Sodium chloride can be made as follows: 2na + cl2 ? 2nacl i calculate the maximum amount of nacl possible if 2.3 g of sodium was reacted with excess chlorine. show all your workings.
Answers: 3
When 2 crystalline solid barium hydroxide octahydrate and crystalline solid ammonium nitrate are mix...
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