Chemistry, 01.02.2020 04:43 candancejc557
Which device was the first to be designed for use with rechargeable batteries?
a. portable computer designed by ibm
b. digital camera for use by astronauts
c. power drill for use on the moon
d. wireless phone first used by nasa
Answers: 1
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What is the formula that this ionic compounds could form sr2+p3-o2-
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Chemistry, 22.06.2019 12:10
Achemistry student needs to standardize a fresh solution of sodium hydroxide. he carefully weighs out of oxalic acid , a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in of distilled water. the student then titrates the oxalic acid solution with his sodium hydroxide solution. when the titration reaches the equivalence point, the student finds he has used of sodium hydroxide solution.calculate the molarity of the student's sodium hydroxide solution. be sure your answer has the correct number of significant digits.
Answers: 1
Chemistry, 22.06.2019 22:30
What is the value of the standard enthalpy of formation of an element in its most stable form?
Answers: 3
Chemistry, 23.06.2019 09:00
20 grams of water. she poured out 15 grams. which of the following physical properties of the water changes? a .boiling point b. density c .electrical conductivity d .volume
Answers: 2
Which device was the first to be designed for use with rechargeable batteries?
a. porta...
a. porta...
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