Which answer best describes this reaction? H H
O
HH
H H
HH
H-C-C-C
1 |
H H
H-C-C-C
0-C-C-H
+ H-O-C-C-H -
1
O-H
H H
HH
Η Η
H20
O formation of an ester by condensation
O formation of an ether by condensation
O formation of a new product using a substitution reaction
O formation of a new product using an addition reaction

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.

Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete?