Help—Cecilia wants to measure the thickness of a piece of cardboard. She stacked 10 identical cardboard pieces and used a ruler to measure the thickness of the stack as
shown in the figure.
Which of these is the most accurate thickness of a single piece of cardboard?
0.25 cm
0.5 cm
2.5 cm
5 cm
Answers: 2
Chemistry, 22.06.2019 07:30
Calculate the ratio of h+ ions to oh– ions at a ph = 7. find the concentration of h+ ions to oh– ions listed in table b of your student guide. then divide the h+ concentration by the oh– concentration. record this calculated ratio in table a of your student guide. compare your approximated and calculated ratios of h+ ions to oh– ions at a ph = 7. are they the same? why or why not? record your comparison in table a. what is the concentration of h+ ions at a ph = 7? mol/l what is the concentration of oh– ions at a ph = 7? mol/l what is the ratio of h+ ions to oh– ions at a ph = 7? : 1
Answers: 1
Chemistry, 22.06.2019 09:00
Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?
Answers: 1
Chemistry, 22.06.2019 12:00
Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?
Answers: 1
Chemistry, 22.06.2019 22:10
Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water
Answers: 3
Help—Cecilia wants to measure the thickness of a piece of cardboard. She stacked 10 identical cardbo...
Geography, 09.06.2021 08:10
Chemistry, 09.06.2021 08:10
Mathematics, 09.06.2021 08:10
Mathematics, 09.06.2021 08:10
Mathematics, 09.06.2021 08:10
Mathematics, 09.06.2021 08:10
Business, 09.06.2021 08:10
Mathematics, 09.06.2021 08:10
Mathematics, 09.06.2021 08:10
Mathematics, 09.06.2021 08:10
Social Studies, 09.06.2021 08:10
Social Studies, 09.06.2021 08:10
Computers and Technology, 09.06.2021 08:10
Spanish, 09.06.2021 08:10