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3 years ago

A medication 60 mg is ordered. the vial is labeled 1 gm/ 10 ml. How many ml would you give?

Chemistry

1 answer:

timofeeve [1]3 years ago

4 0

I believe it is 6ml because you do the doseage times the ml and mutiply it by 1

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Consider the dissolution of 1.50 grams of salt XY in 75.0 mL of water within a calorimeter. The temperature of the water decreas

-BARSIC- [3]

Answer:

The quantity of heat lost by the surroundings is 258,5J

Explanation:

The dissolution of salt XY is endothermic because the water temperature decreased.

The total heat consumed by the dissolution process is:

4,184 J/g°C × (75,0 + 1,50 g) × 0,93°C = 297,7 J

This heat is consumed by the calorimeter and by the surroundings.

The heat consumed by the calorimeter is:

42,2 J/°C × (0,93°C) = 39,2 J

That means that the quantity of heat lost by the surroundings is:

297,7J - 39,2J = <em>258,5 J</em>

I hope it helps!

8 0

3 years ago

Manganese (Mn) has many possible oxidation numbers (+2 and +4 are just two of these). Write the correct formulas and names for t

ohaa [14]

Answer:

Oxide of manganese, Potassium permanganate, Manganese bromide and manganese oxide.

Explanation:

1. Manganese dioxide

Its chemical formula is $MnO_2$ . It is +4 oxidation state. It is a black solid which is fairly stable.

2. Potassium permanganate

Its chemical formula is $KMnO_4$ . It is commonly used in the laboratories as oxidizing agent. They appear black in color.

3 Manganese bromide

Its chemical formula is $MnBr_2$

4. Oxides of manganese

Chemical formula is $Mn_3O_4$

The most stable state of Manganese is +2 oxidation state.

5 0

3 years ago

How many degrees does the earth tilt

mart [117]

That would be 23.5 degrees

6 0

4 years ago

Read 2 more answers

Directions: Read through each scenario and identify the independent variable, dependent variable, and the control.

podryga [215]

Answer:

The correct answer is - brand of floor wax.

Explanation:

The independent variable is the variable or the factor in an investigation which is manipulated or change in the experiment and affects the dependent variable and produces a various result.

In this investigation, there are different brands of the floor was are the independent variable as they are changed to see the effect on the scratches on the floor on 20 tiles for each brand.

5 0

3 years ago

Hey can I please get help I do not understand this

krok68 [10]

There will be a 25% chance that the plant will have wrinkled seed.

Explanation:

The round seeds are dominant and can be considered homozygous for round seeds will have alleles RR

The wrinkled seeds are recessive and can be considered homozygous for wrinkled seeds will have alleles rr

When these are crossed

r r

R Rr Rr

R Rr Rr All the progeny are Heterozygous round seed

When These are crossed with plant heterozygous for round seeds

RrXRr

R r

R RR Rr

r Rr rr

The genotype ratio is 1:2:1 1 homozygous round, 2 heterozygous round, 1 homozygous wrinkled.

The phenotype ratio is 3:1 3 round and 1 wrinkled

Hence 25 % of the plants will have wrinkled seeds

3 0

3 years ago