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Ipatiy [6.2K]
2 years ago
9

What is 0.3m equal to mm?

Chemistry
1 answer:
madreJ [45]2 years ago
4 0

0.3×100cm=300cm

300cm×10mm=3000

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What are the solutions to the quadratic equation 2x2 + 10x - 48 = 0?<br>​
Natali [406]

Answer:

<h2>x = 3 , x= -8</h2>

Explanation:

2x^2+10x-48\\=2\left(x^2+5x-24\right)\\x^2+5x-24\\=\left(x^2-3x\right)+\left(8x-24\right)\\=x\left(x-3\right)+8\left(x-3\right)\\=\left(x-3\right)\left(x+8\right)\\=2\left(x-3\right)\left(x+8\right)\\2\left(x-3\right)\left(x+8\right)=0\\x-3=0\\x = 0+3\\x = 3\\x+8=0\\x+8-8=0-8\\x=-8\\x=3,\:x=-8

8 0
3 years ago
Which of the following increases the average kinetic energy of colliding particles
Solnce55 [7]
I'm pretty sure the answer is Temperature
5 0
3 years ago
2. A gas occupies 320. ml at a pressure of 420.5 mmHg. Determine the volume if the pressure is decreased to 300. mmHg.
arsen [322]

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v1 p1 = v2 p2

v2 = v1p1/p2

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v2=449ml

5 0
2 years ago
A flashbulb of volume 2.70 mL contains O2(g) at a pressure of 2.30 atm and a temperature of 30.0 °C. How many grams of O2(g) doe
Sholpan [36]
P = 2.30 atm

Volume in liter = 2.70 mL / 1000 => 0.0027 L

Temperature in K = 30.0 + 273 => 303 K

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number of moles O2 :

P * V = n * R* T

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0.00621 = n * 24.846

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n = m / mm

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m = 0.0002499 * 31.9988

m = 0.008 g
3 0
3 years ago
What is a chemical substance that cannot be broken down into another chemical substance?
Dimas [21]

Molecule is a chemical substance that cannot be broken down into another chemical substance.

4 0
3 years ago
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