Chemistry, 15.02.2021 22:30 gmaxgaming88
Could the separation in this experiment have been done in a different order? For example, if the mixture were first extracted with water then the extract and the insoluble residue both heated to dryness, could you determine the amounts of NaCl, NH4Cl, and SiO2 originally present? Why or why not?
Answers: 1
Chemistry, 21.06.2019 22:00
Which describes interactions between substances and stomata during photosynthesis? check all that apply. oxygen enters stomata. oxygen is released through stomata. carbon dioxide enters stomata. carbon dioxide is released through stomata. hydrogen enters stomata. hydrogen is released through stomata.
Answers: 1
Chemistry, 22.06.2019 17:30
In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j
Answers: 2
Chemistry, 22.06.2019 17:50
Cryolite, na3alf6(s), an ore used in the production of aluminum, can be synthesized using aluminum oxide. start this question by first balance the chemical equation.1.) balance the equation: - alo3(s)+naoh(l)+hf(> na3alf6+h2o(g). 2.) if 17.5 kilograms of al2o3(s), 51.4 kilograms of naoh(l), and 51.4 kilograms of hf(g) react completely, how many kilograms of cryolite will be produced? 3.)which reactants will be in excess, (al2o3, naoh, or hf) 4.)what is the total mass of the excess reactants left over after the reaction is complete in kg?
Answers: 2
Could the separation in this experiment have been done in a different order? For example, if the mix...
Mathematics, 04.05.2021 01:00
English, 04.05.2021 01:00
Mathematics, 04.05.2021 01:00
Mathematics, 04.05.2021 01:00
English, 04.05.2021 01:00
Spanish, 04.05.2021 01:00
English, 04.05.2021 01:00
Mathematics, 04.05.2021 01:00
Mathematics, 04.05.2021 01:00
English, 04.05.2021 01:00