subject
Chemistry, 09.10.2021 16:40 oofoofoof1

PLEASE HELP URGENT 1. at how much energy is required to melt a 30.0-gram sample of water at its melting point?

2. at 1 atmosphere of pressure, 20.0 g of a compound at its normal boiling point are converted to a gas by the addition of 23,000 joules. what is the heat of vaporization for the compound in J/g?

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 13:00
Note the ph and poh values labeled with letters on the ph scale below. based on log rules and the way ph is calculated, what is the difference in [oh– ] concentration between point a and point b. a) 10^1 b) 10^5 c) 10^6 d) 10^7
Answers: 1
question
Chemistry, 21.06.2019 17:30
How many moles are equivalent to 55.5g of nano3
Answers: 1
question
Chemistry, 22.06.2019 12:00
What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients
Answers: 1
question
Chemistry, 22.06.2019 18:00
Find the mass, in grams, of 5.00*10^23 molecules of f2
Answers: 1
You know the right answer?
PLEASE HELP URGENT 1. at how much energy is required to melt a 30.0-gram sample of water at its me...
Questions
question
Mathematics, 26.05.2020 18:01
Questions on the website: 13722362