While dissolving 0.3 mol NH3 (g) in 54.045 9 H20 (l) at 25°C and pressure 101.325 kPa, it was found that a heat of 6870 J passed to the surroundings. Calculate the correct value of me].

With regard to the radioactive processes, what is the effect of positron production on neutron/proton ratio?

If k is the rate constant, T is the absolute temperature in kelvin, A is the pre—exponential factor, E0 is the activation energy and R is the universal gas constant, then which of the following options is correct according to Arrhenius' equation?

Which of the following options dissolved in chloroform is used as a nitrating agent in the organic synthesis?

What is the life of the uranium nuclide in the decay of Uranium — 234 (atomic number — 92) which decays to Thorium ~230 (atomic number — 90) and produces an a particle?

It is given that the mass of an article is 150 Q. What is the mass of the article in ounces?

Most lipids are transported in the blood as part of a structure called a(n) _______________.

Molecular mimics __________.

In industrialized nations, the two most deadly sources of indoor pollution are ________.

It is believed the most prominent means by which humans add co2 to the atmosphere is by ________.

Crystalline salts such as cesium bromide form _____ bonds with __________.