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asambeis [7]
3 years ago
12

2. Sketch an example where an object appears to be moving from one reference frame but stationary from another reference frame

Chemistry
2 answers:
trasher [3.6K]3 years ago
8 0
Earth rotating around sun
Ainat [17]3 years ago
5 0
Earth going around sun
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Calculate the partial pressure of the CO2 in the expired air at its peak, assuming 1 atm pressure and a body temperature of 37∘C
kvasek [131]

Answer:

P2= 45.50 atm

Explanation:

If the amount of gas in the tanks remains same we use the equation P1T1=P2T2

40 x 281.15 = P2 x 247.15

P2= 45.50 atm

4 0
3 years ago
What are the man-made, or synthesized, metals called?<br><br> You don't need to explain
lubasha [3.4K]

Answer:

Technetium, Promethium, Astatine, Francium

Explanation:

3 0
4 years ago
Using the following information, what are the values of the exponents in the rate expression, rate = k[A]x[B]y
pashok25 [27]

Answer:

The correct option is;

A) x = 2, y = 1

Explanation:

Here we have

k[0.05]^x \cdot [0.05]^y = 0.062 \ M/sec....................(1)

k[0.05]^x \cdot [0.10]^y = 0.123 \ M/sec....................(2)

k[0.100]^x \cdot [0.100]^y = 0.491 \ M/sec  ..............(3)

From experiment (1), (2) it is observed that [A] is held constant and [B] is doubled of which the rate is also observed to be doubled, therefore, when you double a reactant which result in the rate being doubled, the order of the reaction with respect to the reactant is order 1, therefore, y = 1.

Similarly between reaction (2) and (3) when the concentration of the reactant B is doubled and A is held constant the rate of the reaction is multiplied by a factor of 4, therefore, the reaction with respect to that reactant is order 2, therefore, x = 2.

Therefore, the correct option is x = 2, y = 1.

3 0
3 years ago
What is the amount of space occupied by a sample of matter
dusya [7]

The amount of space that matter occupies is called its volume. Solids, liquids, and gases all have volume.

3 0
2 years ago
What is the value of x<br><br>A. 76<br>B. 56<br>C. 46<br>D. 66
vladimir1956 [14]
It’s d I’m pretty sure
7 0
3 years ago
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