Chemistry, 18.04.2021 15:50 sallonquarts
1. How much heat energy is needed to raise the temperature of 25 grams of
ice at -35°C to steam at 175°C? Represent graphically showing low
temperature, high temperature, melting and boiling points, and be sure to
label both X and Y axis.
Cp (J/g°C)
Ice 2.06
Liquid 4.18
Steam 2.02
Hfus = 334 J/g
Hvap = 2260 J/g
MP 0°C
BP 100°C
Answers: 3
Chemistry, 22.06.2019 10:30, Brookwiggington8814
What woukd most likely be the transmittance at a 0.70 m solution of solute a? a) 7.6%b) 1.1%c)4.0%d)4.6%
Answers: 1
Chemistry, 22.06.2019 14:00, asanchez4292
What type of matter is made of only one kind of atom
Answers: 2
Chemistry, 22.06.2019 17:50, kaylamount
Cryolite, na3alf6(s), an ore used in the production of aluminum, can be synthesized using aluminum oxide. start this question by first balance the chemical equation.1.) balance the equation: - alo3(s)+naoh(l)+hf(> na3alf6+h2o(g). 2.) if 17.5 kilograms of al2o3(s), 51.4 kilograms of naoh(l), and 51.4 kilograms of hf(g) react completely, how many kilograms of cryolite will be produced? 3.)which reactants will be in excess, (al2o3, naoh, or hf) 4.)what is the total mass of the excess reactants left over after the reaction is complete in kg?
Answers: 2
1. How much heat energy is needed to raise the temperature of 25 grams of
ice at -35°C to steam at...
Mathematics, 19.05.2021 22:50