Chemistry, 10.12.2020 03:20, slonzyy8397
How many moles of NO2 are needed to increase the temperature of a 333 gram block of iron from 22⁰C to 1300⁰C? (specific heat of iron is 0.49 J/g⁰C) 3NO2 + H2O --> 2HNO3 + NO ∆H = - 138 kJ /mol
Answers: 3
Chemistry, 23.06.2019 10:20, kyliemorgan8623
El amoniaco y el fluor reaccionan para formar tetrafluoruro de dinitrogeno y fluoruro de hidrogeno. segun la reaccion: nh3 + f2 ⇒ n2f4 + hf si reaccionan 5 gramos de amoniaco y 20 gramos de fuor, ¿cuantos gramos de fluoruro de hidrogeno se producen?
Answers: 2
Chemistry, 23.06.2019 11:00, artiomtyler007
Find the enthalpy of neutralization of hcl and naoh. 87 cm3 of 1.6 mol dm-3 hydrochloric acid was neutralized by 87 cm3 of 1.6 mol dm-3 naoh. the temperature rose from 298 k to 317.4 k. the specific heat capacity is the same as water, 4.18 j/k g. a. -101.37 kj b. 7055 kj c. 10,1365 kj
Answers: 1
How many moles of NO2 are needed to increase the temperature of a 333 gram block of iron from 22⁰C t...
Mathematics, 11.05.2021 21:10
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