Chemistry, 14.04.2021 18:20 emmanuel180
2 Which best describes an acid?
F
A. a soapy substance that is nonreactive
with metals
B. a neutral substance made of oppositely
charged particles
C. a caustic substance that has a high
number on the pH scale
D. a sour liquid that forms gas bubbles
when mixed with copper
Answers: 2
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What will most likely happen when two bromine atoms bond together?
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Chemistry, 22.06.2019 16:50
What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume
Answers: 2
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)]
Answers: 2
Chemistry, 22.06.2019 19:30
How might this scientific phenomena be explained? a paper clip floats on water.
Answers: 1
2 Which best describes an acid?
F
A. a soapy substance that is nonreactive
with metals<...
A. a soapy substance that is nonreactive
with metals<...
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