Chemistry, 24.09.2019 21:00, kasier4600
Internal energy change (note: you will need appendix a6 for this problem). a. how much energy in joules) must be added to 90 gallons of water at 25 °c and 1 atmosphere (1.0133 bar) to raise its temperature to 94°c? b. how much energy should be added to 90 gallons of 25 °c water at 0.51 bar to raise its temperature to 94°c? c. how much energy should be added to 90 gallons of 25°c water at 21.83 bar to raise its temperature to 94°c? d. how much energy should be added to the same mass of water at 25 °c and 0.0099 bar to raise its temperature to 94 °c? note: you'll need density values. these can be found in the steam tables (appendix a.6) under the column specific volume (m/kg). v is the specific volume of liquid water, v, for water vapor. the value of vis multiplied by 10%, meaning that the specific volume of water at 273.15 k is 1.000 * 10 mº/kg. density is the inverse of specific volume.
Answers: 3
Chemistry, 21.06.2019 12:30, netflixacc0107
Achemist requires 6.00 liters of 0.320 m h2so4 solution. how many grams of h2so4 should the chemist dissolve in water? 121 grams 159 grams 176 grams 188 grams
Answers: 2
Chemistry, 22.06.2019 14:30, joejoefofana
Consider the reduction reactions and their equilibrium constants. cu+(aq)+e−↽−−⇀cu(s)pb2+(aq)+2e−↽−−⇀ pb(s)fe3+(aq)+3e−↽−−⇀fe(=6.2×108=4. 0×10−5=9.3×10−3 cu + ( aq ) + e − ↽ − − ⇀ cu ( s ) k =6.2× 10 8 pb 2 + ( aq ) +2 e − ↽ − − ⇀ pb ( s ) k =4.0× 10 − 5 fe 3 + ( aq ) +3 e − ↽ − − ⇀ fe ( s ) k =9.3× 10 − 3 arrange these ions from strongest to weakest oxidizing agent.
Answers: 3
Chemistry, 22.06.2019 15:20, Tringirl233
Identify arrows pointing to bonding electrons. done h-0-0-h ) intro
Answers: 3
Chemistry, 22.06.2019 15:30, ashtonviceoxd21i
The gulf stream is a warm water current that flows away from the equator to northern europe. witch of these does it cause. a. crashes of warm and cool water in the ocean b. colder climates near the equator c. large waves on the cost of europe d. warm climates in northern europe
Answers: 1
Internal energy change (note: you will need appendix a6 for this problem). a. how much energy in jo...
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