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RUDIKE [14]
3 years ago
14

What color would an object appear to be if it reflects all light that strikes it?

Chemistry
1 answer:
elena-s [515]3 years ago
7 0
Most likely White or another color that appears "bright" to us, such as gold, silver, yellow, pink, or sometimes green. Hope it helped!
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At the seashore young children often play comfortably in shallow water while older people Are shivering in deeper water just a f
Svetradugi [14.3K]
At the sea shore there is less water so the sun shines directly in them, deeper. there is more water. so their bodies are more in the water therefore the sun is less in their bodies.
4 0
3 years ago
How many sodium ions in 2.00 mol of NaCl
tankabanditka [31]
1 mole of nacl has 1 mole of na ions
therefore 2 moles of nacl has 2 moles of na ions
Mole x L
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4 0
3 years ago
Read 2 more answers
Two or more substances that are blended together but not chemically combined make up a(n) _____.
Dahasolnce [82]
Make up a mixture.

Example is water and sand, it is blended together but not chemically. It is by physical combination of just addition of the two substances.

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5 0
3 years ago
If the half-life of 37Rb is 4.7x101 years, how long would it take for 0.5 grams of a 2 gram sample to radioactively decay?
k0ka [10]

<u>Answer:</u> The time required will be 19.18 years

<u>Explanation:</u>

All the radioactive reactions follows first order kinetics.

The equation used to calculate half life for first order kinetics:

k=\frac{0.693}{t_{1/2}}

We are given:

t_{1/2}=4.7\times 10^1yrs

Putting values in above equation, we get:

k=\frac{0.693}{4.7\times 10^1yr}=0.015yr^{-1}

Rate law expression for first order kinetics is given by the equation:

k=\frac{2.303}{t}\log\frac{[A_o]}{[A]}

where,  

k = rate constant  = 0.015yr^{-1}

t = time taken for decay process = ?

[A_o] = initial amount of the reactant = 2 g

[A] = amount left after decay process =  (2 - 0.5) = 1.5 g

Putting values in above equation, we get:

0.015yr^{-1}=\frac{2.303}{t}\log\frac{2}{1.5}\\\\t=19.18yrs

Hence, the time required will be 19.18 years

4 0
3 years ago
If Jonathan went skateboarding from 4:00 PM to 4:30 PM and traveled 450 meters, what was his average speed?
mrs_skeptik [129]
20 m Increase by five
8 0
3 years ago
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