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Chemistry, 22.06.2019 06:00
An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g
Answers: 3
Chemistry, 22.06.2019 15:30
Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficients. add a 1 if there should be no coefficient. cs2(l) + o2(g) → co2(g) + so2(g) c [ ] s [ ] o > c [ ] s [ ] o [ ] cs2(l) + [ ] o2(g) > [ ] co2(g) + [ ] so2(g)
Answers: 3
Chemistry, 23.06.2019 04:31
One student said that the investigation was not valid (a fair test). write a plan for the investigation that includes improvements to the method and apparatus
Answers: 1
Chemistry, 24.06.2019 03:20
Agroup of students working in a high school chemistry lab believe they have discovered a new element! how exciting? upon further testing by scientists (with better equipment), it is found that the new element contains 74 protons and 110 neutrons. what is the atomic number? what is the mass number? is this a new element? explain. give the name and symbol for this element. is it solid, liquid, or gas? explain
Answers: 3
What is the number of atoms in 3.75 mol fe...
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