Determining percent error: A student was supposed to measure 200.0 milliliters of water and
obtained 196.0 milliliters instead. Her partner was supposed to measure 50.0 mL of water and obtained
48.0 mL instead. Determine who had the largest percent error in correct sig figs. The equation is shown.
Formula for % error= (measured -true)/ true x 100
Answers: 3
Chemistry, 21.06.2019 22:20
Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?
Answers: 2
Chemistry, 22.06.2019 10:00
How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?
Answers: 3
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The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?
Answers: 1
Chemistry, 22.06.2019 13:30
What are the chemical names of these compounds? ke: mg3n2: reset next
Answers: 1
Determining percent error: A student was supposed to measure 200.0 milliliters of water and
obtaine...
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