Chemistry High School

When an oxygen-19 nucleus undergoes beta decay, the nucleus formed is
that of
oxygen-18.
O nitrogen-18.
fluorine-19.
O carbon-14.

Answers

Answer 1
Carbon 13 and the bay lowkey should be

Related Questions

How does carbon (C) differ from silicon (Si)?
A) carbon has 1 less electron energy shell than silicon
B) carbon has 1 less electron than silicon
C) carbon has 8 more electron energy shells than silicon
D) carbon has 1 more proton energy shell than silicon​

Answers

Explanation:

carbon has 1 less electron energy shell than silicon

Carbon has 1 less electron energy shell than silicon. Hence, option A is correct.

What is an atom?

An atom is any particle of matter which contains at least one proton.

Carbon is a nonmetal but silicon is a metalloid. Carbon and silicon belong to the same group (group 14) of the periodic table. And have four electrons in the outer energy level. Both occur in two oxidation states, +2 and +4.

Hence, option A is correct.

Learn more about atom here:

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How can air pollution affect plants?

Answers

Answer:

yes air pollution can affect a plants health

Explanation:

PLEASE HELP
WILL GIVE BRAINLIEST

If 175.0g of nitrogen is reacted with 250.0g of hydrogen, what is the theoretical yield of the reaction? What is the excess reactant? What is the limiting reactant? Show your work.

Answers

Answer:

Nitrogen gas is the limiting reactant

Hydrogen gas is the excess reactant

The theoretical yield is 425 g of ammonia

Explanation:

Equation of reaction: 3H2 + N2 ---> 2NH3

From the equation of reaction, 3 moles of hydrogen gas reacts with 1 mole of nitrogen to produce 2 moles of ammonia gas.

Molar mass of hydrogen gas = 2.0 g

Molar mass of nitrogen gas = 14.0 g

Molar mass of ammonia gas = 17.0 g

Number of moles of hydrogen gas in 250 g = 250/2 = 125 moles

Number of moles of nitrogen gas in 175 g = 175/14 = 12.5 moles

Mole ratio of Hydrogen to Oxygen = 125/12.5 = 10 : 1

Therefore, nitrogen gas is the limiting reactant.

Hydrogen gas is the excess reactant

14 g of nitrogen gas produces 17 × 2 g of ammonia = 34 g of ammonia

175 g will produce (34 × 175)/14 = 425 g of ammonia

Therefore the theoretical yield is 425 g of ammonia

what do punnet squares do

Answers

Answer:

The Punnett square is a square diagram that is used to predict the genotypes of a particular cross or breeding experiment. ... The diagram is used by biologists to determine the probability of an offspring having a particular genotype.

Explanation:

in biology it predicts the possible offspring provided the features of the mother or father

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