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viktelen [127]
3 years ago
14

How fast is the speed of light?

Chemistry
1 answer:
Tpy6a [65]3 years ago
7 0

The speed of light is 299,792,458 meters per second in vacuum.
It's somewhat slower in any material substance, and different in
each substance.

(That's 186,282.4  miles per second.)


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ANSWER ASAPP<br> What causes the motion of particles? And more energy equals what?
STALIN [3.7K]

Answer:

particles in solids are always vibrating (moving back and forth) in place the vibrational motion of particles in solids is kinetic energy heat makes the particles in a solid vibrate faster, giving them more kinetic energy faster-vibrating particles bump into one another more often and hit each other harder

4 0
3 years ago
The volume of a helium balloon is 2.6 L. What is this volume in cmL 1dm3)26. cm2.6 x 103 cm30.26 cm2.6 x 102 cm32.6 x 104 cm
posledela
The answer is the second option. The given conversion from L to dm3 is actually confusing. Just remember that 1 L = 1000 cm3.
Simply, multiply 2.6 by 1000 and we get 2600 cm. Converting this to scientific notation, we get the answer:
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6 0
3 years ago
Aqueous solutions of copper (II) bromide and silver (1) acetate react to form solid
Sladkaya [172]

Answer:

5.63 g

Explanation:

Step 1: Write the balanced equation

CuBr₂(aq) + 2 AgCH₃CO₂(aq)  ⇒  2 AgBr(s) + Cu(CH₃CO₂)₂(aq)

Step 2: Calculate the reacting moles of copper (II) bromide

30.0 mL of 0.499 M CuBr₂ react. The reacting moles of CuBr₂ are:

0.0300L \times \frac{0.499mol}{L} = 0.0150mol

Step 3: Calculate the moles formed of silver (I) bromide

The molar ratio of CuBr₂ to AgBr is 1:2. The moles formed of AgBr are 2/1 × 0.0150 mol = 0.0300 mol.

Step 4: Calculate the mass corresponding to 0.0300 mol of AgBr

The molar mass of AgBr is 187.77 g/mol.

0.0300 mol \times \frac{187.77g}{mol} = 5.63 g

4 0
3 years ago
What form of energy does a glue gun produce when turned on?​
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To use a glue gun, it has to use heat to heat up so that it can melt the glue.
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2 years ago
In order to improve the condition of your muscular system, you could participate in aerobic activity at least __________. A. 3 m
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I think it would be C
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3 years ago
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