Chemistry, 08.02.2021 19:00, mrtroll9145
Two brothers are participating in a race. The older brother's average speed is 6 miles per hour and he finishes the race in 1 hour and 20 minutes. If the younger brother's average speed is 4 miles per hour, how long will it take him to complete the race?
A.) 45 min
B.) 2 Hours
C.) 4 Hours
D.) 30 min
Answers: 2
Chemistry, 22.06.2019 05:40, yah2muchh
Calculate: select the worksheet tab. this tab you calculate the analyte concentration. ď‚· fill in the first set of boxes ("moles h2so4" and "moles naoh") based on the coefficients in the balanced equation. (if there is no coefficient, the value is 1.) ď‚· record the appropriate volumes in the "ml naoh" and "ml h2so4" boxes. ď‚· record the concentration of the titrant in the m naoh box. click calculate. what is the concentration listed
Answers: 2
Chemistry, 22.06.2019 16:00, julesperez22
Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.
Answers: 3
Chemistry, 22.06.2019 16:50, Pookiev
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
Answers: 1
Two brothers are participating in a race. The older brother's average speed is 6 miles per hour and...
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