PLEASE HELP ASAP PLEASE ! balance and a graduated
cylinder are used to
determine the density...
Chemistry, 05.10.2020 14:01 sandygarcia65
PLEASE HELP ASAP PLEASE ! balance and a graduated
cylinder are used to
determine the density of a
mineral sample. The
sample has a mass of 14.7
g and a volume of 2.2 cm3.
What is the density of the
mineral sample?
A 0.15 g/cm
B 32 g/cm
C 18 g/cm
D 13 g/cm
Answers: 1
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In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al oxidizing agent = reducing agent =
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Pinene is an unsaturated hydrocarbon found in pine resin. if pinene has m+ = 136 and contains 1 double bond(s) and 2 ring(s); what is its molecular formula? enter the formula in the form ch first, then all other atoms in alphabetical order; do not use subscripts. the formula is case-sensitive
Answers: 3
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Calculate the ph at the equivalence point for the titration of a solution containing 150.0 mg of ethylamine (c2h5nh2) with 0.1000 m hcl solution. the volume of the solution at the equivalence point is 250.0 ml. kb forethylamine is 4.7 × 10−4 .
Answers: 2
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