Chemistry, 15.04.2021 22:00 markarianlaura1
75.0 mL of distilled water at 28.00 oC was mixed in a calorimeter with 55.0 mL of distilled water at 40.00 oC. The final temperature of the mixture was 34.00 oC. Determine the calorimeter constant, KCal. The specific heat of water is 4.184 J/g oC.6. A 5.00 gram sample of ammonium chloride was dissolved in 100.00 grams of water. Using the calorimeter constant of KCal
Answers: 2
Chemistry, 22.06.2019 06:00
An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.
Answers: 2
Chemistry, 22.06.2019 10:30
Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.
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Chemistry, 23.06.2019 09:00
Water is a highly important natural resource. which of these would be the best method to conserve water? a) drinking bottled water b) monitoring the ph of rivers c) treating and re-using wastewater d) testing nitrate levels in groundwater
Answers: 1
Chemistry, 23.06.2019 14:20
What kind of chemical reaction does the chemical equation sodium + chlorine → sodium chloride represent? a. combustion b. decomposition c. single replacement d. synthesis
Answers: 1
75.0 mL of distilled water at 28.00 oC was mixed in a calorimeter with 55.0 mL of distilled water at...
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