Answers: 2
Chemistry, 23.06.2019 02:00
Alice did an experiment to find the relationship between the angle at which a ray of light strikes a mirror and the angle at which the mirror reflects the light. she placed a ray box in front of a mirror. she changed the angle at which the light from the ray box struck the mirror and noted the corresponding angle at which the mirror reflected the light. which of the following is the dependent variable in this experiment? the mirror used to reflect the light the ray box used as the source of light angle at which the light from the ray box strikes the mirror angle at which the mirror reflects the light from the ray box
Answers: 2
Chemistry, 23.06.2019 04:20
The equation below shows the reaction of zinc with hydrochloric acid (hcl). zn (s) + 2 hcl (aq) —> zncl2 (aq) + h2 (g) what will happen if the concentration of hcl is decreased? a. more zncl2 will be produced. b. the reaction rate will slow down. c. the hydrochloric acid will become more acidic. d. the reaction will produce water instead of hydrogen gas.
Answers: 1
Chemistry, 23.06.2019 07:30
Can you guys answer these questions i need it before 1: 00pm
Answers: 3
Chemistry, 23.06.2019 20:30
Iron(iii) ions, fe3+ , react with thiocyanate ions, scn- , in a reversible reaction to form a red solution. which changes to the equilibrium will make the solution go red? i. increasing the temperature ii. adding fecl3 iii. adding a catalyst a. i and ii only b. i and iii only c. ii and iii only d. i, ii and iii
Answers: 2
Calculate the final concentration of a solution that is made by dissolving 14.8 g of solid sodium hy...
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