5) A nugget of gold of weight 321g has a density of 19.3 g/mL.. What is...

Question

Question

Answer 1

Similar Homework Help Questions

Heptane has a boiling point of 98 °C; density 0.68 g/mL. It is used as a...

Heptane has a boiling point of 98 °C; density 0.68 g/mL. It is used as a solvent for rubber cement. a) Draw the condensed structural, line angle formula and molecular formula of heptane. b) Is heptane a solid, liquid or gas at room temperature? c) Is heptane soluble in water? d) Will heptane float or sink in water? e) Write a balanced chemical equation for the complete combustion of heptane.
1.Gaseous carbon dioxide has a density of 0.001977 g/mL at standard conditions. What is the mass...

1.Gaseous carbon dioxide has a density of 0.001977 g/mL at standard conditions. What is the mass of 50.00 cm3 of gaseous carbon dioxide? a.0.09885 g b.9.885 g c.3.954 x 10-5 g d.2.529 x 104 g e.0.9885 g 2.The half-life of tungsten-187 is 0.9875 days. How much of a 10.0 gram sample remains after 71.1 hours? a.1.25 g b.5.00 g c.2.50 g d .Not enough information is given. 3 .If 35.0 mL of 0.550 M KOH are needed to neutralize 15.0...
15) The molecular weight of a gas that has a density of 7.10 g/, at 250...

15) The molecular weight of a gas that has a density of 7.10 g/, at 250 C and 1.00 atm pressure is15) gmol. A) 14.6 B) 5.75 10-3 C) 6.85 10-2 D) 174 E) 28.0 16) 16) Which of the following substance is being reduced in the following reaction.? Cu (s) 2AgNO3 (a) 2Ag (s) Cu(NO312 (aq) D) Cu A) Ag B) AgNO3 i 17) 17) The element X has two naturally occurring isotopes. The masses (amu) and % abundances...

39) What property of liquids explains the formation of leaves? A) surface tension B) adhesion C)...

39) What property of liquids explains the formation of leaves? A) surface tension B) adhesion C) viscosity D) vapor pressure E) None of the choices are correct. mation of spherical water droplets on green 3 9) - um at constant pressure and temperature has the volume 40) 40) A balloon containing helium at constant pres doubled by adding a more helium. Which ' adding a more helium. Which statement(s) isare) TRUE? A) The number of moles of helium doubled. B)...