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3 years ago

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you are giving your child a medicine that has a dose of 2 tsp per dose. The instructions indicate that you are to give the child

3 doses per day. How many days will a 100 mL bottle of medication last? show work.

1 answer:

Anarel [89]3 years ago

3 0

Answer:

this is ans

Explanation:

this is ans

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1. Calculate the empirical formula of a compound that contains 2% hydrogen, 74 % carbon and 24% oxygen.

Ludmilka [50]

empirical formula = when the percentage compositions by mass of elements in a compound are divided by their relative atomic masses.

from the obtained amount the smallest amount will divide all.

the answers can then be rounded off if in decimals or they can be multiplied by 2 if they have .5 decimals e.g 2.5 , 7.5 , etc.

solution: HYDROGEN CARBON OXYGEN

2/1 74/12 24/16

2 6.167 1.5

2 / 1.5 6.167 / 1.5 1.5 / 1.5

1.333 4.111 1

1 4 1

answer : C4OH

HOPE IT HELPED !!!

5 0

3 years ago

Which, if any, of the following is named incorrectly? *

nydimaria [60]

Answer:

I think it is either a or b

Explanation:

c or d has the correct names and Roman numerals.

7 0

3 years ago

Which change of state is shown in the model?

Romashka [77]

I believe the change of state shown in the model is deposition.
Deposition is a process in which gases change phase and turns directly in solids without passing through the liquid phase. It is the opposite of sublimation.
One of the major difference between gases and solids is the distance between molecules; in gases the inter molecular spaces are large, while in solid they are very small, making solids be the most dense, with closely packed molecules. This is evident in the diagram, the phase changed from gases to solids.

5 0

3 years ago

Read 2 more answers

Upon consideration of the SiO2–Al

Grace [21]

The phase's composition is as follows: 27

What is the alloy's composition?

Both have mass fractions of w a = w b = 0.5.

A-B alloy composition; C o = 57 wt% B - 43 wt% A

C b = 87 wt% B - 13 wt% A is the new phase composition.

Using the Lever rule, we can calculate the mole fraction (x i) or mass fraction (w i) of each phase of a binary equilibrium phase as follows:

W a = W b = 0.5

This provides us with;

0.5 = (C b - C o)/(C b - C a)

(87 - 57)/(87 - C a) = 0.5

30/0.5 = 87 - C a

60 = 87 - C a

C a = 87 - 60

C a = 27

To learn more about composition please click on below link

brainly.com/question/13808296

#SPJ4

5 0

2 years ago

The molal boiling point elevation constant Kb = 1.97 C .Kg.Mol-1 for a certain substance X. When 31.98 g of urea are dissolved i

Ipatiy [6.2K]

Answer:

Boiling point of pure liquid is 135.4°C

Explanation:

The boiling point elevation (Colligative property of solutions) follows the formula:

ΔT = Kb×m×i

<em>ΔT is equal to increase in boiling point (Boililng point solution - boiling point pure liquid), Kb is boiling point elevation constant of the liquid, m is molality of solution and i is Van't Hoff factor.</em>

<em>Molality of solution (Moles urea / Kg X):</em>

Moles urea: 31.98g * (1mol / 60.06g) = 0.53247 moles

-60.06g/mol = Molar mass urea-

In 650g = 0.650kg:

0.53247 moles urea / 0.650kg = 0.8192m

Van't Hoff factor of urea is 1

Replacing in the equation:

ΔT = Kb×m×i

ΔT = 1.97°CKgMol⁻¹×0.8192m×1

ΔT = 1.6

As the solution boils at 137°C:

ΔT = Boililng point solution - boiling point pure liquid

ΔT = 1.6°C = 137.0°C - boiling point pure liquid

Boiling point of pure liquid is 135.4°C

8 0

4 years ago