Chemistry, 26.09.2021 14:00 noglapotato
Sodium peroxide (Na2O2) is often used in self-contained breathing devices, such as those used in fire emergencies, because it reacts with exhaled CO2 to form Na2CO3 and O2. How many liters of respired air can react with 80.9 g of Na2O2 if each liter of respired air contains 0.0868 g of CO2?
Answers: 3
Chemistry, 22.06.2019 09:00
How are isotopes of the same chemical element alike? how are they different?
Answers: 1
Chemistry, 22.06.2019 12:40
When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign
Answers: 2
Chemistry, 22.06.2019 18:30
Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.
Answers: 3
Chemistry, 22.06.2019 20:00
Iam hoping to create 5.72 grams of glucose. the plant was given 4.75 liters of co2 and 2.81 g of h20. which reactant was the limiting reagent? how much excess mass did we have of the other reactant?
Answers: 1
Sodium peroxide (Na2O2) is often used in self-contained breathing devices, such as those used in fir...
Mathematics, 26.10.2021 16:00
Mathematics, 26.10.2021 16:00
Mathematics, 26.10.2021 16:00
SAT, 26.10.2021 16:00
SAT, 26.10.2021 16:00
Mathematics, 26.10.2021 16:00
English, 26.10.2021 16:00
Mathematics, 26.10.2021 16:00
Mathematics, 26.10.2021 16:00
Physics, 26.10.2021 16:00