Chemistry, 25.07.2020 06:01 KnMcdonaldk93906
Write a balanced equation for: capture of an electron by cadmium-104
Answers: 2
Chemistry, 21.06.2019 20:50
Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread
Answers: 2
Chemistry, 22.06.2019 13:00
Imagine that you push on a large rock. at what point does your effort change the rockās mechanical energy?
Answers: 1
Chemistry, 22.06.2019 17:10
Acalorimeter is to be calibrated: 51.203 g of water at 55.2 degree c is added to a calorimeter containing 49.783 g of water at 23.5ļ°c. after stirring and waiting for the system to equilibrate, the final temperature reached is 37.6 degree c. specific heat capacity of water (s = 4.18 j/gādegree c). calculate the calorimeter constant. (smĪ“t)warm water = -[(smĪ“t)cold water + (calorimeterĪ“tcold water)]
Answers: 2
Chemistry, 22.06.2019 20:00
Phosphoric acid is a triprotic acid ( =6.9Ć10ā3 , =6.2Ć10ā8 , and =4.8Ć10ā13 ). to find the ph of a buffer composed of h2poā4(aq) and hpo2ā4(aq) , which p value should be used in the hendersonāhasselbalch equation? p k a1 = 2.16 p k a2 = 7.21 p k a3 = 12.32 calculate the ph of a buffer solution obtained by dissolving 18.0 18.0 g of kh2po4(s) kh 2 po 4 ( s ) and 33.0 33.0 g of na2hpo4(s) na 2 hpo 4 ( s ) in water and then diluting to 1.00 l.
Answers: 3
Write a balanced equation for: capture of an electron by cadmium-104...
English, 22.05.2020 17:57
English, 22.05.2020 17:57
Mathematics, 22.05.2020 17:57
History, 22.05.2020 17:57
History, 22.05.2020 17:57
English, 22.05.2020 17:57
Mathematics, 22.05.2020 17:57
Physics, 22.05.2020 17:57
Mathematics, 22.05.2020 17:57
Geography, 22.05.2020 17:57
English, 22.05.2020 17:57