Chemistry, 17.05.2021 17:40 CrownedQueen
A tennis ball weighing 0.5 kg is served across the tennis court and hits at a velocity of 3m/s. A bowling ball weighing 7 kg is rolled down an alley at 2 m/s. Which object has more kinetic energy? Explain your answer using scientific evidence and reasoning.
Answers: 3
Chemistry, 22.06.2019 16:30, Eddie997
For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.
Answers: 2
Chemistry, 23.06.2019 03:00, rhianna18
In november 1987, a massive iceberg broke loose from the antartic ice mass and floated free in the ocean. the chunk of ice was estimated to be 98 mi long, 25 mi wide, and 750 ft thick. a typical backyard swimming pool contains about 24,000 gallons of water. how many of these pools could you fill from the water in this iceberg? (assume the iceberg is a rectangular solid of the above dimensions and consists of water only). express answer in scientific notation.
Answers: 1
A tennis ball weighing 0.5 kg is served across the tennis court and hits at a velocity of 3m/s. A bo...
Mathematics, 05.02.2021 06:20
Mathematics, 05.02.2021 06:20
Social Studies, 05.02.2021 06:20
Mathematics, 05.02.2021 06:20