A copper forceps that has a mass of 500 g was accidentally left on a heating mantle until
it had a temperature of 35 ᵒC. A student then placed the forcep in 70 g of water at 22 ᵒC
to cool it off. Calculate the specific heat capacity of the copper forcep if the final
temperature of the water was 27 ᵒC. (Specific heat capacity of water is 4.18 J/°C. g).
Answers: 2
Chemistry, 22.06.2019 23:30
If it is an isoelectronic series select true, if not select false. o2-, s2-, se2-, te2- na+, k+, rb+, cs+ n3-, p3-, as3-, sb3- ag, cd+, sn3+, sb4+ f-, cl-, br-, i- f-, ne, na+, mg2+ s2-, s, s6+
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 14:00
Fill in the blanks for the following statements: the rms speed of the molecules in a sample of h2 gas at 300 k will be times larger than the rms speed of o2 molecules at the same temperature, and the ratio µrms (h2) / µrms (o2) with increasing temperature.
Answers: 1
Chemistry, 23.06.2019 22:50
Compared with its corresponding unsaturated fatty acid, a saturated fatty acid has more hydrogen less hydrogen more oxygen less oxygen
Answers: 3
A copper forceps that has a mass of 500 g was accidentally left on a heating mantle until
it had a...
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