43 inHg = 43 inHg*2.54cm/in = 109.22cmHg * 10 mm/cm = 1092.2 mmHg
14.7 psi = 760 mmHg
1092.2mmHg * 14.7psi / 760 mmHg = 21.13 psi
Answer: option D. 21.13 psi
Answer:
C more collision between molecules
Explanation:
increase in heat causes increase in kinetic energy of the particles
Also water H2O is made of H+ and OH- ions. so when an acidic substance is added to water the concentration of H+ ions increase.
Wave speed = frequency x wavelength
= 100 x 0.3
= 30 m/s.
Hope this helps!