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Anvisha [2.4K]
3 years ago
5

NEED HELP ASAP!!! What is the density of each of the following gases at STP? Show your work.

Chemistry
1 answer:
BaLLatris [955]3 years ago
3 0

Answer:

A. 1.63g/dm^3 (3 s.f.)

B. 0.833g/dm^3 (3 s.f.)

C. 1.92g/dm^3 (3 s.f.)

Explanation:

Please see attached picture for full solution.

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6 0
3 years ago
The process of pouring a mixture through a filter to catch the larger particles, while allowing the smaller particles to pass th
ki77a [65]
It’s is b. Filtration
7 0
3 years ago
Consider the following mechanism: O3 => O2 + O NO + O => NO2 What is the role of O2? A. intermediate B. catalyst C. reacta
Daniel [21]

Answer:

The correct answer is option D.

Explanation:

Step 1: O_3\rightarrow O_2+O

Step 2: NO+O\rightarrow NO_2

Overall reaction can be determined  by adding all the reactions of mechanism:

O_3+NO\rightarrow O_2+NO_2

Reactants in an overall reaction = O_3\& NO

Products in an overall reaction = O_2\& NO_2

According to question , the role of oxygen gas is product.

5 0
3 years ago
Hii!! need help with this last answer for chem. would appreciate the help. (question 3)
avanturin [10]

Answer:

1.023 J / g°C

Explanation:

Mass, m = 37.9 g

Temperature increase (change) = 25.0°C

Heat = 969 J

Specific heat capacity ,  c= ?

The relationship between these quantities is given by the equation;

H = mcΔT

c = H / mΔT

c = 969 / (37.9 * 25)

c = 969 / 947.5 = 1.023 J / g°C

4 0
3 years ago
One canned juice drink is 15% orange juice; another is 5% orange juice. How many liters of each should be mixed together in orde
Maksim231197 [3]
It uses elimination againLet A be 15% juice and B is 5% juice
A+B = 100.15A + 0.05B = 0.11*10 = 1.1Multiply 2nd equation by 100 to get rid of decimals
A+B = 1015A + 5B = 110
7 0
3 years ago
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