1.61 x 104 molecules Od
2.26 x 1029 molecules
Oe
1.77 x 1029 molecules
Question 5 (1 point)
A 1.3 kg block of copper initially at 12°C is dropped into a large vessel of liquid nitrogen. The temperature of the liquid nitrogen is 70 K. Find
the amount of liquid nitrogen that boils away as the copper reaches 70 K. (c(copper) = 385 J/kg.°C, L(nitrogen) = 2 x 105 j/kg

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Fossil fuels are organic compounds that are made from

Gasoline has a density of 0.740 g/ml. if you have 328 grams of gasoline, what is the volume in milliliters?