Chemistry, 06.07.2019 02:00 davidgarcia522083
Sal and marie were experimenting with bar magnets in science class, picking up chains of paper clips. where should they expect the magnetic force of the bar magnet to be the strongest and pick up the most paper clips? a) at both poles b) at the south pole c) at the north pole d) in the center of the bar magnet
Answers: 2
Chemistry, 22.06.2019 23:40
The kw for water at 0 °c is 0.12× 10–14 m2. calculate the ph of a neutral aqueous solution at 0 °c.
Answers: 2
Chemistry, 23.06.2019 01:30
At a certain temperature the rate of this reaction is first order in hi with a rate constant of : 0.0632s2hig=h2g+i2g suppose a vessel contains hi at a concentration of 1.28m . calculate how long it takes for the concentration of hi to decrease to 17.0% of its initial value. you may assume no other reaction is important. round your answer to 2 significant digits.
Answers: 1
Chemistry, 23.06.2019 03:50
Which best describes the activation energy of a chemical reaction? a. the combined energy of all the reactants b. the amount of energy required for a reaction to occur c. the difference in energy between products and reactants d. the potential energy stored in the bonds of reactants and products
Answers: 1
Sal and marie were experimenting with bar magnets in science class, picking up chains of paper clips...
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