(Answered) Three questions must show work how you got it i am really

Academics

Three questions: Must show work how you got it. I am really confused on how to solve these:

1) The element, barium, has a density of 3.50 g/mL. What would be the mass of a rectangular block of barium with the dimensions, 1.00cm x 3.0 x 5.00 cm?

2) A small metal sphere has a mass of 75.0 g. It is placed in a graduated cylinder containing water. The water level in the cylinder changes from 10.0 mL to 20.0 Ml when the sphere is put into water. What is the density of the sphere?

3) Which of the following contains the greatest mass of mercury? must convert all to same unit. (Density of mercury= 13.6 g/mL)

a: 0.600 L

b. 0.600 kg

c. 0.600 lb

View complete question

Chemistry, Academics

Category:- Chemistry
Reference No.:- M92184107
Price:- $15

Verified Expert

Priced at $30 Now at $15, Verified Solution

Have any Question?Write your Review or question?

Related Questions in Chemistry

202 g of an unknown molecular solute is dissolved in 565

20.2 g of an unknown molecular solute is dissolved in 5.65 moles of aniline (C6H5NH2), causing the boiling point of aniline to increase by 3.79 °C. Calculate the molar mass of the solute. For aniline, the molar mass is 9 ...

Wat is the molarity to the hundredths place of 50 g hpo3

What is the molarity, to the hundredths place, of 5.0 g HPO3 in 300. mL of solution?

How many moles are in 8552e02 mg megagrams of nickel iii

How many moles are in 8.552e+02 Mg (megagrams) of Nickel (III) sulfate? How many molecules are in 5.048e+02 g (grams) of Ammonium Thiosulfate? How many grams do 3.270e+20 molecules of Manganese (IV) phosphate weigh

A sample of gas in a cylinder has an initial volume of 560

A sample of gas in a cylinder has an initial volume of 56.0 L , and you have determined that it contains1.60 moles of gas. The next day you notice that some of the gas hasleaked out. The pressure and temperature remain t ...

A chemist must dilute 374 ml of 808 mum aqueous mercuryi

A chemist must dilute 37.4 mL of 8.08 μM aqueous mercury(I) chloride (Hg2Cl2) solution until the concentration falls to 2.00 μM. He'll do this by adding distilled water to the solution until it reaches a certain final vo ...

With the provided indicated equilibrium constant is the

With the provided indicated equilibrium constant, Is the equilibrium mixture made up of predominately reactants, predominately products or significant amounts of both products and reactants? 2 O 3 (g) -------- 3 O 2 (g ...

What is the mass percent of oxygen in manganese iv

What is the mass percent of oxygen in Manganese (IV) phosphate? How many cubic feet (ft 3 ) are 5.14E+08 gallons (gal) of water? The density of water at ambient conditions is 1.000 g/mL

What is the minimum amount of 60 m h2so4nbspnecessary to

What is the minimum amount of 6.0 M H 2 SO 4 necessary to produce 25.0g of H 2 (g) according to the reaction between aluminum and sulfuric acid? 2 Al(s) + 3 H 2 SO 4 (aq) --------> Al 2 (SO 4 ) 3 (aq) + 3 H 2 (g)

Protein folding assignmentin an in vitro protein folding

PROTEIN FOLDING ASSIGNMENT In an "in vitro" protein folding experiment monitored by fluorescence measurements the following data was obtained for protein X: [GuHCl], M Wavelength Maxima, nm 0 330 0.5 332 1.0 331 1.5 332 ...

For the molecule allene h2 c c ch2 give the hybridization

For the molecule allene, H2 C = C = CH2, give the hybridization of each carbon atom. Will the hydrogen atoms be in the same plane or perpendicular planes?

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Chemistry Expert