Chemistry, 17.01.2021 02:20 richie3922
While washing his hands before the client consultation with Chloe, Jayden dripped some water onto the countertop. When he came back later to wipe it up, it had evaporated. What happened to the drops of water?
The water underwent a chemical change.
The water underwent a physical change.
The water became an organic substance.
The water became a pure substance.
Answers: 2
Chemistry, 23.06.2019 05:00
1. true or false: minerals are inorganic. true false 2. inorganic means that something has never been found alive 3. halite is another name for and is a mineral with a cubic crystal pattern. table salt rock salt
Answers: 1
Chemistry, 23.06.2019 08:40
A20 liter cylinder of helium at a pressure of 150 atm and a temperature of 27°c is used to fill a balloon at 1.00 atm and 37°c. what is the volume of the balloon? a. 0.14 liters b. 3000 liters c. 2900 liters d. 2400 liters e. 3100 liters
Answers: 1
Chemistry, 23.06.2019 12:00
372 ml is the volume of aluminum, density is 2.70 g/ml what is the mass in grams
Answers: 1
Chemistry, 23.06.2019 13:00
Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
Answers: 1
While washing his hands before the client consultation with Chloe, Jayden dripped some water onto th...
Biology, 22.11.2019 06:31
Computers and Technology, 22.11.2019 06:31
Physics, 22.11.2019 06:31