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Ivanshal [37]
3 years ago
12

Find the mistake Cu(NO3)2(s) + CuO(s) → 2NO(g) + O3(g)

Chemistry
1 answer:
kvv77 [185]3 years ago
3 0

there are 2 copper atoms on the left side of the arrow, but none on the other side. there are also 7 oxygen atoms on the left hand side, but only 5 on the right hand side of the arrow.
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Which of the following would be a strong base?<br> HNO3<br> LiOH<br> NaNO3<br> KHSO4
lakkis [162]
I would say the last one because it includes more elements
7 0
2 years ago
Rubbing alcohol is 70.% (m/v) isopropyl alcohol by volume. how many ml of isopropyl alcohol are in a 1 pint (473 ml) container?
g100num [7]
 The number  of ml of isopropyl  alcohol  that are 1 pint (473 Ml)   is  331.1 Ml

   calculation
 
assume  that  the 1 pint  is in  a  container

  
This implies  that the 1 pint (473 ml)  is  in 100 %  M/V
      what about 70 %(M/V)

 that is  473 Ml  = 100 %
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by  cross  multiplication
    =  473 x70/100 = 331.1 Ml


8 0
3 years ago
Read 2 more answers
7. A student has a 25 g sample of gas in a container at STP and adds another 7
BigorU [14]

Answer:

New temperature t2 = [1.28T− 273.15]° C

Explanation:

Given:

Volume v1 = 25 gram

New volume v2 = 25 + 7 = 32 gram

Constant pressure = p

Temperature t1 = T

Find:

New temperature t2

Computation:

Pv1/t1 = Pv2/t2

25 / T = 32 / t2

t2 = 1.28T

New temperature t2 = [1.28T− 273.15]° C

4 0
2 years ago
Which is more likely in a settled and sedentary community?
Andre45 [30]

Answer:

Mar 29, 2015 · Their settlements are much more permanent and include houses, storage buildings, etc. They also need preservation methods and storage techniques, unlike the nomads. Sedentary Societies were first to be seen near waterways such as rivers.

Explanation:

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Which of the following is ONE of the signs of a chemical change
pickupchik [31]

Answer:

um i one of what?

Explanation:

6 0
2 years ago
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