Answer:
12.7m
Explanation:
FORMULA
for an approximate result, divide the length value by 39.370078
Answer: Another name for beta-minus particle is electron.
Explanation: Beta-minus particle 
is released during the beta-minus decay nuclear reaction.
In this nuclear reaction, a neutron gets converted into proton and electron. The electron released is the beta-minus particle.
The charge on these particles is -1 and mass of these particles is negligible.
Explanation:
The minimum amount of energy required by a substance to begin a reaction is known as the activation energy.
Therefore, we can conclude that when you strike a match, you provide activation energy that enables the flame to appear.
Whereas a catalyst helps in increasing the rate of reaction but it does not start the reaction. On the other hand, when reactants combine together then we get products.
Thus, we can conclude that options (a), (b), (c), and (e) are not correct.
Hence, option (d) is the correct answer.
You correctly said that you need the combined gas law.
combine gas law----> P1V1/T1= P2V2/T2
P1= ?
V1= 2.58 L
T1= 368K
P2= 777 torr
V2= 1.53 L
T2= 495K
Now we plug in the values.
(P1 X 2.58)/ 368= (777 X 1.53)/ 495 K
P1= 343 torr
C. They’re safe to use without the regulation of a physician, according to a regulatory agency
