3 years ago

The periodic table organizes elements according to INCREASING

Chemistry

2 answers:

MAVERICK [17]3 years ago

8 0

Answer:

atomic number

Explanation:

atomic number is also the number of protons an atom has and this number will never change unlike number of neutrons or electrons.

mrs_skeptik [129]3 years ago

4 0

The answer should be c

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A drop of gasoline has a mass of 22 mg and a density of 0.754 g/cm3. What is its volume in cubic centimeters?

ArbitrLikvidat [17]

1.22 mg is the same as .022 grams. One gram equals 1000 mg. Convert mg to grams by dividing mg by 1000mg/gm. Volume = mass over density. Volume equals .022 grams over .754 grams/cm3 which equals .029 or .03cm3. 2.weight in kg times gravity constant. Weight in newtons equals 10kg times 9.8m/s2 that equals 98 newtons.

5 0

3 years ago

When the methyl ester of hexanoic acid is hydrolyzed in aqueous sodium hydroxide in the presence of heat, a homogeneous solution

Dovator [93]

Answer:

Hexanoic acid is formed as insoluble product

Explanation:

In aqueous sodium hydroxide, methyl ester of hexanoic acid hydrolyzes to produce soluble sodium hexanoate salt.
Upon addition of aqueous HCl, hexanoate ion is protonated to produce hexanoic acid which is insoluble in water.
Hence, upon acidification of hydrolysis solution, two separate layers (organic and aqueous) are formed.
Reaction are shown below.