Force holes earth's atmosphere in its place

Answers

Answer 1

Answer: Force doesn't hold earths atmosphere
The earths gravity, hold the earths atmosphere. The more mass a body has, the more gravity, The Earth has enough mass to hold an atmosphere.

Hopes this helps!

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Drug medication are often prescribed on the basis of body mass. The adult dosage of Elixophyllin, a drug used to treat asthma, is 6 mg/kg of body mass. Calculate the dose in milligrams for a 160 lb person.

Answers

Answer:

The dose of Elixophyllin for a person of 160 lb is 436.36 mg.

Explanation:

First you have to go from pounds to kilograms. 160 lb x 1kg/2.2lb = 72.73 kg.

Then you have to multiply the dosage by the body mass in kilograms.

(6 mg/kg) x 72.73 kg ⇒ 436.36 mg.

Suppose 1 gold bar is 6 cm long, 2 cm high, and 3 cm wide. How many whole gold bars will you be able to fit in a vault with a volume of 500 cm3?A.
13 bars
B.
27 bars
C.
41 bars

Answers

That would be 13 bars

A. 13 bars

the correct answer is A. because 1 gold bar's volume is 36cm so what you do is divide 500cm into 36cm and the answer is 13.8888889 bars would have the volume of 500cm so the approximate answer is 13 bars

Is it okay for a 13 yr old girl to ask out a 16 yr old boy if they really like them?..

Answers

No, because a child under the age of 16 does not have the right to engage in such relationships and it's punishable by law if the relationship becomes intimate.

no that is inappropriate he could go to jail!

What mass of calcium carbonate is produced when 250 mL of 6.0 M sodium carbonate is added to 750 mL of 1.0 M calcium fluoride

Answers

Given:

Volume of Na2CO3 = 250 ml = 0.250 L

Molarity of Na2CO3 = 6.0 M

Volume of CaF2 = 750 ml = 0.750 L

Molarity of CaF2 = 1.0 M

To determine:

The mass of CaCO3 produced

Explanation:

Na2CO3 + CaF2 → CaCO3 + 2NaF

Based on the reaction stoichiometry:

1 mole of Na2CO3 reacts with 1 moles of Caf2 to produce 1 mole of caco3

Moles of Na2CO3 present = V * M = 0.250 L * 6.0 moles/L = 1.5 moles

Moles of CaF2 present = V* M = 0.750 * 1 = 0.750 moles

CaF2 is the limiting reagent

Thus, # moles of CaCO3 produced = 0.750 moles

Molar mass of CaCO3 = 100 g/mol

Mass of CaCO3 produced = 0.750 moles * 100 g/mol = 75 g

Ans: Mass of CaCO3 produced = 75 g

Which waves have the longest wavelength and lowest energy on the electromagnetic spectrum?a.) X-Rays
b.) infrared
c.) radio
d.) gamma rays

Answers

Which waves have the longest wavelength and lowest energy on the electromagnetic spectrum?
a.) X-Rays b.) infrared c.) radio d.) gamma rays

Answer:

The answer is radio waves

Explanation:

Which particle of the atom has no charge? A.
nucleus

B.
electron

C.
neutron

D.
proton

Answers

C, the neutron is the answer!

C. Neutron

Has no charge.

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