Chemistry, 01.06.2021 14:00 catsRlife4573
A student is asked to measure the time taken for 0.4g of magnesium carbonate to react
completely with 25.0 cm of dilute hydrochloric acid
Which pieces of apparatus does the student need?
a. balance, stop_clock, pipette
b. balance, stop_clock, thermometer
c. balance, pipette, thermometer
d. stop_clock, pipette, thermometer β
Answers: 1
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The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.
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Consider the reaction: n2(g) + o2(g) β 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?
Answers: 3
A student is asked to measure the time taken for 0.4g of magnesium carbonate to react
completely wi...
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