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Hitman42 [59]
3 years ago
9

Medicationswith names ending in ER,CR,XR,and SR indicate they are __ medications

Chemistry
1 answer:
Neporo4naja [7]3 years ago
4 0

Answer: They are extended or controlled release medications

Explanation:

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If it takes three "breathes" to blow up a balloon to 1.2 L, and each breath supplies the balloon with 0.060 moles of exhaled air
padilas [110]
A 3.0 L balloon is 2.5 times as big as a 1.2L balloon, and 3 times .060 equals .18, so if you multiply .18 by 2.5 you get .45 moles of air i’m pretty sure
3 0
4 years ago
How many grams of water can be heated 20C by the addition of 1000J?
nydimaria [60]
I hope this is correct

4 0
4 years ago
What is the mass in grams of 9.45*10^24 molecules of methanol (CH3OH)?
Angelina_Jolie [31]
Number of moles:

1 mole ---------- 6.02x10²³ molecules
? moles --------- 9.45x10²⁴ molecules

1 x ( 9.45x10²⁴) / 6.02x10²³ =

9.45x10²⁴ / 6.02x10²³ => 15.69 moles of CH3OH

Therefore:

Molar mass CH3OH = 32.04 g/mol

1 mole ------------ 32.04 g
15.69 moles -----  mass methanol

Mass methanol  = 15.69 x 32.04 / 1 => 502.7076 g


6 0
3 years ago
What is the density, in g/cm3, of an object with a mass of 21 g and volume of 15 cm3?
maks197457 [2]

Answer:

1.4 g/cm^3

Explanation:

Density = Mass/Volume

Density = 21g/15cm^3

Density = 1.4 g/cm^3

Hope this helps!!!

-Unicorns110504

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4 0
3 years ago
Read 2 more answers
According to the law of conservation of energy, A) an object loses most of its energy as friction. Eliminate B) the total amount
Aloiza [94]

Answer:

B

Explanation:

This is what the law of conservation of energy is.

4 0
4 years ago
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