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makkiz [27]
3 years ago
15

A candle is placed outside of the center of curvature for a concave mirror.

Chemistry
1 answer:
Marysya12 [62]3 years ago
8 0
The person above is trying to give you a virus
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Alexxx [7]

Answer:

uyfuj yfyuc

Explanation:

8 0
3 years ago
How many moles of nitrous oxide gas (N2O) is contained in 20.0 L balloon at a pressure of 1.09 atm and a temperature of 298K? Ro
prohojiy [21]

Answer:

There are 0,89 moles of nitrous oxide gas  in the balloon.

Explanation:

We apply the formula of the ideal gases, we clear n (number of moles); we use the ideal gas constant R = 0.082 l atm / K mol:

PV= nRT ---> n= PV/RT

n= 1,09 atm x 20,0 L /0.082 l atm / K mol x 298 K

<em>n= 0,89212637 mol</em>

7 0
3 years ago
What is the chemical reaction of aluminum and ferric oxide to produce iron and aluminum oxide?
AnnZ [28]

Answer:

Ferric oxide reacts with aluminium to produce aluminium oxide and iron. The balanced chemical equation for the given reaction is : Fe2O3 + 2Al → Al2O3 + 2Fe.

6 0
2 years ago
HELP!!!
WARRIOR [948]

Answer:

no

Explanation:

4 0
3 years ago
Using the periodic table, choose the more reactive nonmetal.<br> Br or As
raketka [301]

Reactivity of non-metals depend on their ability to gain electrons. So, smaller is the size of a non-metal more readily it will attract electrons because then nucleus will be more closer to valence shell. ... Hence, Br is the non-metal which will be more reactive than At.

8 0
2 years ago
Read 2 more answers
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