A spherical tank has a radius of (1.640x10 2) in. Calculate the volume of the tank...
Question 9 (1 point) If the atomic radius of a metal that has the simple cubic crystal structure is (3.40x10A-1) nm, calculate the volume of its unit cell (in nm 3) Use scientific notation with 3 significant figures (XYZx 10An). Note that Avenue automatically enters x10, so you only need to enter X.YZ and n. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer Scree
Question 2 (2 points) Calculate the mass of (3.28x10^25) atoms of nickel metal. Provide your answer to the correct number of significant figures and without units. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: X10 Answer Question 3 (2 points) Calculate the number of molecules in (7.48x10^-1) moles of calcium hydroxide, Ca(OH)2 Provide your answer to the correct number of significant figures and without units. Note: Your answer is assumed to be reduced...
Question 3 (2 points) Barbituric acid, HC4H3N203, is used ito prepare various barbiturate drigs (used as sedaives). Without solving the quadratic equation, calculate the concentration of hydrogen ion in a (2.50x10^-1) M solution of the acid. The value of K, is 9.8x10-5 Express your answer to three significant figures. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer 54 Question 4 (2 points) What is the concentration of hydroxide ion in a...
A spherical container is constructed from steel and has a radius of 2.00 m at 17.0∘∘C. The container sits in the Sun all day, and its temperature rises to 41.0∘∘C. The container is initially filled completely with water, but it is not sealed. 1.By how many cubic meters does steel expand? (Express your answer to three significant figures.) 2. By how many cubic meters does water expand? (Express your answer to three significant figures.)
What, roughly, is the percent uncertainty in the volume of a spherical beach ball whose radius is r = 0.94 ±0.06 m ? Express your answer using two significant figures.
Cumulative Problem 17 A spherical container is constructed from steel and has a radius of 2.00 m at 17.0 •C. The container sits in the Sun all day, and its temperature rises to 40.0 •C. The container is initially filled completely with water, but it is not sealed. The coefficient of linear expansion of steel is 13*106. The coefficient of volume expansion of water is 207*10-6. 1) By how many cubic meters does steel expand? (Express your answer to three...
Calculate the current through the 8.00 ? resistor in this circuit. Note: Your answer is assumed to be reduced to the highest power possible.
Answer Question 6 (1 point) What volume (in mL) of 13.5 M hydrochloric acid is needed to make (3.33x10^2) mL of (1.881x10^0) M solution? Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer
A spherical fruit has a radius of 3.23 cm. What is the volume of the fruit in cubic meters? O 4.23 x 10-4 m3 O 1.41 m3 O 4.23 m3 1.41 x 10 m
A solution is made containing (1.08x10^1) g of CH3OH in (1.943x10^2) g H2O. Calculate the mole fraction of CH3OH. Note: Your answer is assumed to be reduced to the highest power possible.