Chemistry, 11.01.2020 14:31 amourrrblackkkk
The sun is composed mostly of hydrogen. the mass of the sun is 2.0x10^30 kg, and the mass of a hydrogen atom is 1.67x10^-27 kg. estimate the number of atoms in the sun.
Answers: 3
Chemistry, 21.06.2019 22:30
How many moles are in 250 grams of tungsten (w)? * 4.4x10^23 moles 4.2x10^23 moles 0.7 moles 1.4 moles
Answers: 3
Chemistry, 22.06.2019 03:30
If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?
Answers: 1
Chemistry, 22.06.2019 04:40
*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system
Answers: 3
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
The sun is composed mostly of hydrogen. the mass of the sun is 2.0x10^30 kg, and the mass of a hydro...
Mathematics, 23.10.2019 04:00
Social Studies, 23.10.2019 04:00
Social Studies, 23.10.2019 04:00
Geography, 23.10.2019 04:00
Mathematics, 23.10.2019 04:00
Health, 23.10.2019 04:00
Mathematics, 23.10.2019 04:00
English, 23.10.2019 04:00
Mathematics, 23.10.2019 04:00
Mathematics, 23.10.2019 04:00
Mathematics, 23.10.2019 04:00
Mathematics, 23.10.2019 04:00