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Tanzania [10]
3 years ago
15

What two objects transmit light?

Chemistry
2 answers:
Anestetic [448]3 years ago
6 0

Answer:

Water, and metal.

Explanation:

adell [148]3 years ago
3 0
Air, glass and water are common materials that are very good at transmitting light. They are transparent because light is transmitted with very little absorption. Translucent materials transmit some light but are not completely clear.
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What is the volume of 500 g of ice, if the density of the ice is 0.50 g/mL?
8_murik_8 [283]
D - density: 0.5 g/mL
m - mass: 500g
V - volume: ???
________
d = m/V
V = m/d
V = 500/0,5
V = 1000 mL = 1 L

:)
5 0
4 years ago
If 1.50 μg of co and 6.80 μg of h2 were added to a reaction vessel, and the reaction went to completion, how many gas particles
Vlada [557]
To determine the number of gas particles in the vessel we add all of the components of the gas. For this, we need to convert the mass to moles by the molar mass. Then, from moles to molecules by the avogadro's number.

1.50x10^-6 ( 1 / 28.01) (6.022x10^23) = 3.22x10^16 molecules CO


6.80x10^-6 ( 1 / 2.02) (6.022x10^23) = 2.03x10 18 molecules H2

Totol gas particles = 2.05x10^18 molecules

6 0
3 years ago
Read 2 more answers
Fe(OH)2+HCI--> FeCl2+H2O balanced​
velikii [3]

Answer:

Fe(OH)2 + 2HCl ---> FeCl2 + 2H2O

I think

3 0
3 years ago
Which of the items below is a colloid?<br> a.fruit salad b.gelatin c.lacquer​
babunello [35]

Answer:

b. gelatin

Explanation:

a homogeneous noncrystalline consisting of large molecules or ultramicroscopic particles of one substance.

5 0
3 years ago
Read 2 more answers
What is the mass (in grams) of 169 mole of CF4
Sergeu [11.5K]
The answer will depend on the number of significant figures you want in your answer, so I can't give you a solid answer, but the process is still the same: you convert from grams to moles by using the molar mass.

You can calculate the molar mass of carbon tetrafluoride from the periodic table, by adding the molar mass of 1 atom of C and 4 atoms of F. Round the total molar mass to the appropriate number and multiply 169 moles by the molar mass you just calculated.

Hope this helps!
3 0
4 years ago
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