Answers: 3
Chemistry, 22.06.2019 09:40
Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?
Answers: 1
Chemistry, 23.06.2019 06:00
When hydrogen peroxide (h2o2) is added to potassium iodide (ki) solution, the hydrogen peroxide decomposes into water (h2o) and oxygen (o2). the chemical equation for the decomposition reaction is: 2h2o2—> 2h2o + o2. what is the role of the potassium iodide in this reaction? a. reactant. b. product. c. precipitate. d. catalyst.
Answers: 1
Chemistry, 23.06.2019 10:00
You dissolve 8.65 grams of lead(l) nitrate in water and then you add 2 50 grams of aluminum. this reaction occurs 2ai(s)+ 3pb(no3)2(aq) -3pb(s)+ 2aino3la(aq) the theoretical yield of solid lead?
Answers: 1
Chemistry, 23.06.2019 15:30
Floor 19 is an isotope of fluorine it has different number a. electrons b. protons c. neutrons d.electron shells
Answers: 1
Based on the figure, the point of diethyl ether under an external pressure of 1.32 atm is celcius....
History, 09.03.2021 21:00
Computers and Technology, 09.03.2021 21:00
Mathematics, 09.03.2021 21:00
Mathematics, 09.03.2021 21:00
Mathematics, 09.03.2021 21:00
Mathematics, 09.03.2021 21:00
Mathematics, 09.03.2021 21:00
Mathematics, 09.03.2021 21:00
Biology, 09.03.2021 21:00