Chemistry, 18.05.2021 01:00 tishfaco5000
How much energy does a 445 nm wave of light have? (The speed of light in a
vacuum is 3.00 x 108 m/s, and Planck's constant is 6.626 x 10-34 Jos.)
A. 4.42 x 10-19 J
B. 2.26 x 1018 J
C. 2.04 x 1035 J
D. 8.95 x 10-32 j
Answers: 3
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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 23.5c. 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/g∙degree c). calculate the calorimeter constant. (smδt)warm water = -[(smδt)cold water + (calorimeterδtcold water)]
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3.09 lab: reaction of metals 1 which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.
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Chemistry, 23.06.2019 03:30
The semi-conductors on the periodic table are classified as
Answers: 1
How much energy does a 445 nm wave of light have? (The speed of light in a
vacuum is 3.00 x 108 m/s...
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