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krek1111 [17]
3 years ago
15

At which age do health officials recommend vaccinations begin?

Chemistry
2 answers:
yaroslaw [1]3 years ago
8 0

Answer:

Starting at 1 to 2 months of age, the baby will receive vaccinations

Explanation:

have a wonderful day!

Valentin [98]3 years ago
8 0

Answer:

1 month

Explanation:

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Restaurant​ a's chicken salad contains the same number of grams of fat as the chicken salad of restaurant
german
To compute for grams of fat in each salad:

We know that, A = C.

And B is 5 grams more, so it is B = 5 + A

And the total fat is 65, so A + B + C = 65 grams.


Computation:

A + (5 + A) + A = 65

3A + 5 = 65

3A = 60

A = 20

A = 20

B = (65 - 40) = 25

C = 20
6 0
4 years ago
How many electrons are in an element if the atomic number is 11?
tatuchka [14]
The answer is sodium 
Sodium has 11 protons (atomic number is 11) and has one valence electron. As the Bohr model diagram below shows, Sodium has 11 protons and 12 neutrons<span> in the nucleus to make the mass number 23. The 11 electrons necessary to make Sodium neutral (protons = electrons) are arranged in a pattern of 2-8-1.</span>
8 0
3 years ago
Find the empirical and molecular formula for a molar mass of 60.10g/mol; 39.97% carbon 13.41% hydrogen: 46.62% nitrogen
PSYCHO15rus [73]
Assuming we have 100g, this means that

39.97g Carbon * 1 mol / 12 g = 3.33 mol Carbon
13.41g Hydrogen * 1 mol/1 g = 13.41 mol Hydrogen
46.62g Nitrogen * 1 mol / 14 g = 3.33 mol Nitrogen
Dividing everything by 3.33, we get

1 mol Carbon, 4.03 mol Hydrogen, 1 mol Nitrogen.

Empirical formula is CH4N

<span>The mass of the empirical formula is
12 + 4 + 14 = 30

Since the molar mass is double, we multiply all our subscripts

The molecular formula is C2H8N2

The answers to this question are </span><span>an empirical formula of CH4N</span> and a molecular formula of C2H8N2 .
5 0
3 years ago
Blood is forced through the body by the
belka [17]
Blood is pumped throughout the body by your heart.  Your heart is the main organ responsible for blood circulation.
8 0
4 years ago
To improve air quality and obtain a useful product, chemists often remove sulfur from coal and natural gas by treating the conta
Norma-Jean [14]

Answer:

1) Increase

2) Decreases

3) increases

4) Increase

Explanation:

These questions can only be answered by considering the principle which states that, "When a constraint such as a change in concentration, pressure or volume is imposed on a reaction system in equilibrium. The system will readjust itself in order to annul the constraint."  

Now, if more reactants are added, the equilibrium position will shift towards the right, If more products are added, the equilibrium position will shift to the left.

Similarly, the removal of H2S causes the O2 concentration to increase since the equilibrium position now shifts to the left.

Also, addition of O2 causes H2S to be removed as the equilibrium moves to the right.

8 0
3 years ago
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