When a single 1-gram piece of zinc is added to 3 m hydrochloric acid at 25°c, the reaction is slow. which procedure would most likely increase the rate of the reaction if the reaction were repeated? a. using 1 gram of powdered zinc b. using 1 m hydrochloric acid c. decreasing the temperature to 20.°c d. decreasing the concentration of the zinc
Answers: 2
Chemistry, 21.06.2019 14:00, sabahfayaskhan
Which of the following statements is true? question 4 options: nuclear decay rates vary with the conditions of the reaction, but chemical reaction rates do not. chemical reaction rates vary with the conditions of the reaction, but nuclear decay rates do not. neither chemical reaction rates nor nuclear decay rates vary with the conditions of the reaction. both chemical reaction rates and nuclear decay rates vary with the conditions of the reaction.
Answers: 1
Chemistry, 23.06.2019 00:40, joe7977
To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. a chemical engineer places a mixture of noble gases consisting of 4.37 g of he, 13.36 g of ne, and 36.65 g of kr in a piston-cylinder assembly at stp. calculate the partial pressure in torr of kr.
Answers: 1
When a single 1-gram piece of zinc is added to 3 m hydrochloric acid at 25°c, the reaction is slow....
History, 18.07.2020 19:01