these healthcare professionals are usually limited to the types of prescriptions they can write by a set standing orders.

Provide an explanation at the subatomic level to explain why different colors are observed for different metal salts.

lakkis [162]

Answer:

When you heat an atom, some of its electrons are "excited* to higher energy levels. When an electron drops from one level to a lower energy level, it emits a quantum of energy. ... The different mix of energy differences for each atom produces different colours. Each metal gives a characteristic flame emission spectrum.

Explanation:

8 0

4 years ago

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What was the theoretical yield of a reaction if 50g are formed with a 10% yield?

Bess [88]

Answer: 500g

Explanation:

We are asked to find the theoretical yield of a reaction, and we are given the following information:

In order to find the the theoretical yield we must use the following formula:

We have to convert the percents to real numbers before the calculations. We can do it dividing the percent value into 100, so:

4 0

3 years ago

Watch the animation and identify the correct conditions for forming a hydrogen bond. check all that apply. check all that apply.

OLga [1]

The ch4 molecule exhibits hydrogen bonding.
This statement is false. A CH4 molecule do not have a hydrogen bonding instead it has dipole dipole attraction.

Hydrogen bonding occurs when a hydrogen atom is covalently bonded to an N, O, or F atom.
This would be a true statement. A hydrogen bond is present when an atom of hydrogen shares electrons with O, N or F atom.

A hydrogen bond is equivalent to a covalent bond.
This is a false statement. A hydrogen bond is an intermolecular force of attraction while covalent bond is a intramolecular force. So, they would mean different things.

a hydrogen bond is possible with only certain hydrogen-containing compounds.
This would be true. Without the presence of an hydrogen atom definitely there would be no hydrogen bond.

a hydrogen atom acquires a partial positive charge when it is covalently bonded to an f atom.
This would be true since a HF is a polar molecule.

6 0

4 years ago

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Sulfur and oxygen form both sulfur dioxide and sulfur trioxide. When samples of these are decomposed, the sulfur dioxide produce

bezimeni [28]

Answer:

For A: The mass of oxygen per gram of sulfur for sulfur dioxide is 0.997 g

For B: The mass of oxygen per gram of sulfur for sulfur trioxide is 1.5 g

Explanation: