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Chemistry, 19.10.2021 01:00, jackferguson34
In a certain "green" house, heat from the sun is absorbed during the day
and then released during the cooler night. How many joules are needed
to raise the temperature of 69.7 kilograms of "heater" (which has a
specific heat of 0.818 J/g) from 25.0 C to 41.0 C?
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Answers: 2
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How many moles of magnesium is 3.01 x10^22 atoms of magnesium?
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Chemistry, 22.06.2019 20:00, jalenevoyles
Phosphoric acid is a triprotic acid ( =6.9×10−3 , =6.2×10−8 , and =4.8×10−13 ). to find the ph of a buffer composed of h2po−4(aq) and hpo2−4(aq) , which p value should be used in the henderson–hasselbalch 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.
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Chemistry, 22.06.2019 22:30, eduardoguizar8787
Which one of the following bonds would you expect to be the most polar? a) b–h b) n–h c) p–h d) al–h e) c–h
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In a certain "green" house, heat from the sun is absorbed during the day
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