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Anni [7]
3 years ago
7

Naproxen (sold under the name Aleve) is a nonsteroidal anti-inflammatory drug (NSAID), and is used to treat different types of p

ain.
a. True
b. False
Chemistry
1 answer:
alexandr1967 [171]3 years ago
6 0
It is true it is used for inflammation and pain in muscle and joints it is also used for muscle and bone disorders
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Heeeeeeeeeeeeeeeeeeeeeelp
Genrish500 [490]

Answer:

The correct answer is 2.33g of H_{2}O, A

Explanation:

We can use basic stoich to get this question.

To start, lets convert our grams to moles in order to use our equation. 5.38g of O_{2} = (\frac{5.38}{2*15.999}) moles = 0.168136 moles.

We then can use our molar ratio of 13:10. Simply divide by our molar ratio in order to go from moles of O_{2} to moles of H_{2}O. This gets us 0.129335 moles of H_{2}O.

Now lets convert to grams of H_{2}O by multiplying by the molar mass of H_{2}O. .129335*(1.008*2+15.999) = 2.32997g of H_{2}O

7 0
3 years ago
2Mg+O2-2Mgo
ololo11 [35]
The first one I think
8 0
3 years ago
A basketball weighs approximately 1.35 kg. What is this mass in grams (g)?<br><br> step by step
umka21 [38]

Answer:

1350 g

Explanation: just add a 0

5 0
4 years ago
what quantity of ethylen glycol must be added to 125 g of water to raise the boiling point of 1.0 degrees celsuis
labwork [276]

Answer:

We should add 15.15 grams of ethylen glycol.

Explanation:

Step 1: Data given

Mass of water = 125 grams

Temperature change = 1.0 °C

The boiling point elevation constant, Kbp, for water is 0.5121 °C/m

Step 2: Calculate mass needed

ΔT = i* Kb *  m

⇒ with i = the van't Hoff factor = 1

⇒ with Kb = 0.5121 °c/ kg/mol

⇒ with m = molality = moles / mass

ΔT = i* Kb *  m  ⇒ 1°C  = 0.5121 °C / kg/mol *   (X/0.125kg)

X = 0.2441 moles

Step 3: Calculate mass of ethylen glycol

Mass ethylen glycol = moles * molar mass

Mass ethylen glycol = 0.2441 moles * 62.068 g/mol

Mass of ethylen glycol = 15.15 grams

We should add 15.15 grams of ethylen glycol.

4 0
3 years ago
Use the measurements in the table to determine which unidentified metal has the highest density.
svet-max [94.6K]
ANSWER: A



EXPLANATION:

THE FORMULA FOR DENSITY IS MASS DIVIDED BY VOLUME.


D= M/V


So divide the mass by the volume.

For A, 122 divided by 10.5 is 11.62

For B, 132 divided by 14.2 is 9.295

For C, 115 divided by 16.1 is 7.143

For D, 126 divided by 12.7 is 9.921


A IS THE ANSWER BECAUSE ITS THE LARGEST AMOUNG THE OTHERS.
6 0
4 years ago
Read 2 more answers
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