Chemistry, 11.10.2019 07:10, nickddj12

The efficiency of a machine can be increased by decreasing distance. decreasing force. reducing friction. reducing work.

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Chemistry, 22.06.2019 07:30, bbyniah123

11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg

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Chemistry, 23.06.2019 11:30, baptistatm51976

If 4.8 moles of x and 3.4 moles of y react according to the reaction below, how many moles of the excess reactant will be left over at the end of the reaction? 3x + 2y “yields”/ x3y2. a. 1.7 mol y left over b. 1.6 mol x left over c. 0.2 mol y left over d. 0.1 mol x left over

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Chemistry, 23.06.2019 13:30, MalikaJones

Determine the rate law, including the values of the orders and rate law constant, for the following reaction using the experimental data provided. a + b yields products trial [a] [b] rate 1 0.30 m 0.25 m 1.2 × 10-2 m/min 2 0.30 m 0.50 m 4.8 × 10-2 m/min 3 0.60 m 0.50 m 9.6 × 10-2 m/min

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Chemistry, 23.06.2019 21:30, ramentome7542

Listed below are the amounts of mercury (in parts per million, or ppm) found in tuna sushi sampled at different stores. the sample mean is 0.836 ppm and the sample standard deviation is 0.253 ppm. use technology to construct a 90% confidence interval estimate of the mean amount of mercury in the population.

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The efficiency of a machine can be increased by decreasing distance. decreasing force. reducing fric...