Chemistry, 26.07.2019 06:30 aliyahmuhammad5197
If a burning candle is covered by a large glass beaker, the flame will go out. how does the beaker affect the conditions described by the fire triangle? a. it removes oxygen from the flame. b. it limits the heat available for the flame to continue to burn under the glass beaker. c. it prevents more oxygen from reaching the flame once the existing oxygen is used up. d. it limits the fuel available to the flame
Answers: 1
Chemistry, 22.06.2019 09:10
How have the greenhouse gasses increased from the year 2000 to 2018
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Chemistry, 22.06.2019 13:00
Lab reagent, hypothesis test.a reference solution used as a lab reagent is purported to have a concentration of 5 mg/dl. six samples are taken from this solution and the following concentrations are recorded: (5.32, 4.88, 5.10, 4.73, 5.15, 4.75) mg/dl.these six measurements are assumed to be an srs of all possible measurements from solution.they are also assumed to have a standard deviation of 0.2, a normal distributin, and a mean concentration equal to the true concentration of the solution.carry out a significance test to determine whether these six measurements provide reliable evidence that the true concentration of the solution is actually not 5 mg/dl.
Answers: 1
Chemistry, 22.06.2019 18:10
Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.
Answers: 3
Chemistry, 23.06.2019 01:00
Which of the following is the molecular formula for a simple sugar? a. cooh b. h2o c. oh d. c6h12o6
Answers: 1
If a burning candle is covered by a large glass beaker, the flame will go out. how does the beaker a...
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