Which fatty acid shown above (A or B) is a saturated fatty acid? How do you know?

Chemistry

1 answer:

bonufazy [111]3 years ago

5 0

Answer:

The answer is A.

Explanation:

Saturated fatty acids contain long, unbranched chains of carbon atoms. In addition to that, there are no double bonds within the carbon atoms. Hope this helps :)

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1. Al+3 has how many neutrons? 2. thorium-230 has how many protons, neutrons and electrons?

Usimov [2.4K]

The mass number of aluminium is 26 and the atomic number of aluminium is 13.

The number of neutrons is given by the difference between the mass number and number of protons.

number of neutrons = mass number - number of protons

Number of protons = 13

Mass number of Aluminium = 26

Therefore number of neutrons = 26-13 = 13.

The atomic number of thorium is 90 and the mass number of thorium is 230 as given in the question

atomic number = number of electrons = number of protons

Therefore the number of electrons in thorium 230 = 90

Number of protons in thorium 230 = 90

Number of neutrons = Mass number - number of protons = 230-90 = 140

8 0

3 years ago

Given the reaction: 4 NH3(g) + 5 O2(g) → 4 NO (g) + 6 H2O When 1.20 mole of ammonia reacts, how many moles of water are produced

Ganezh [65]

Answer:

When 1.20 mole of ammonia reacts, 1.8 moles of water are produced.

Explanation:

The balanced reaction is:

4 NH₃(g) + 5 O₂(g) → 4 NO (g) + 6 H₂O

By stoichiometry of the reaction, the following amounts of moles participate in the reaction:

NH₃: 4 moles
O₂: 5 moles
NO: 4 moles
H₂O: 6 moles

Then you can apply the following rule of three: if by stoichiometry 4 moles of ammonia produce 6 moles of water, 1.2 moles of ammonia will produce how many moles of water?

$moles of water=\frac{1.2 moles of ammonia*6 moles of water}{4 moles of ammonia}$