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3 years ago

When components do not combine chemically, it is a _____. compound substance mixture molecule

Chemistry

2 answers:

Inessa05 [86]3 years ago

6 0

Mixture does not combine chemically

Lelu [443]3 years ago

6 0

Answer: Option (c) is the correct answer.

When an atom donates or shares its valence electrons with other atoms then it results in the formation of a new atom. This means a chemical has occurred as the chemical composition of products will be different from the reactants.

Whereas a substance is a matter which contains specific composition with some specific properties.

When two or more substance are mixed together then it is known as a mixture. It is not necessary that substances added will combine with each other.

When atoms of similar element chemically combine together then they result in the formation of a molecule.

For example, $Cl + Cl \rightarrow Cl_{2}$

Therefore, we can conclude that when components do not combine chemically, it is a mixture.

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docker41 [41]

Answer:

d. Bacteria is the correct classification

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2 years ago

Esters are generally pleasant smelling compounds<br>True<br>False

Rzqust [24]

Answer:

True

Explanation:

Esters are generally pleasantly smelling compounds. In fact, the fragrance industry uses esters to produce perfume, as well as uses esters as an ingredient to produce synthetic flavours and cosmetics, all of which have unique and pleasant smells.

8 0

3 years ago

For lunch, a patient consumed 3 oz of skinless chicken, 3 oz of broccoli, 1 medium apple, and 1 cup of nonfat milk (see Table 3.

Volgvan

Lunch of a patient has 3 oz skinless chicken, 3 oz of broccoli, 1 medium apple, and 1 cup of nonfat milk

Energy content of 3 oz skinless chicken is = 110 kcal

Energy content of 3 oz broccoli = 30 kcal

Energy content of 1 medium apple = 60 kcal

Energy content of 1 cup non-fat milk = 90 kcal

So the kilocalories of energy patient obtained from lunch

= 110 kcal+ 30 kcal + 60 kcal + 90 kcal = 290 kcal

3 0

2 years ago

Hurry please!

Pani-rosa [81]

Answer : The mass of of water present in the jar is, 298.79 g

Solution : Given,

Mass of barium nitrate = 27 g

The solubility of barium nitrate at $20^oC$ is 9.02 gram per 100 ml of water.

As, 9.02 gram of barium nitrate present in 100 ml of water

So, 27 gram of barium nitrate present in $\frac{27g}{9.02g}\times 100ml=299.33ml$ of water

The volume of water is 299.33 ml.

As we know that the density of water at $20^oC$ is 0.9982 g/ml

Now we have to calculate the mass of water.

$\text{Mass of water}=\text{Density of water}\times \text{Volume of water}$

$\text{Mass of water}=(0.9982g/ml)\times (299.33ml)=298.79g$

Therefore, the mass of of water present in the jar is, 298.79 g

5 0

2 years ago

Can someone PLEASE HELP me? <br><br> How can you tell if a bond is Covalent?

g100num [7]

There is a couple different ways to determine if a bond is ionic orcovalent. By definition, an ionicbond is between a metal and a nonmetal, and a covalent bond is between 2 nonmetals. So you usually just look at the periodic table and determine whether your compound is made of a metal/nonmetal or is just 2 nonmetals.

6 0

3 years ago