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Question 2 (2 points) Calculate the mass of (3.28x10^25) atoms of nickel metal. Provide your answer...
Question 3 (2 points) Barbituric acid, HC4H3N203, is used ito prepare various barbiturate drigs (used as sedaives)....
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...
help Question 1 (1 point) Find the [OH-] given that the [H3O+] = (8.59x10^-2). Give your...
help
Question 1 (1 point) Find the [OH-] given that the [H3O+] = (8.59x10^-2). Give your answer to the correct number of significant figures. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer Question 2 (1 point) Find the pH given that the [H30-) = 0.0023M Give your answer to 2 decimal places. Your Answer: Answer
How many moles of fluorine atoms are there in (3.20x1042) grams of SF4? Give your answer...
How many moles of fluorine atoms are there in (3.20x1042) grams of SF4? Give your answer in scientific notation with 3 significant figures. Do not put your answer. Remember, in scientific notation you must include an exponent, even if that exponent is zero. any units in Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer
Question 9 (1 point) If the atomic radius of a metal that has the simple cubic...
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 4 (1 point) Determine how long (in s) it will take an electron to traverse a (3.95x10A1)...
Question 4 (1 point) Determine how long (in s) it will take an electron to traverse a (3.95x10A1) mm length of crystal at room temperature The electron mobility of the material is (3.620x10-1) m2/V-s, and the magnitude of the electric field is (1.2826x10A3) V/m. Use scientific notation, significant figures in answer: 3 Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer
Question 4 (1 point) Determine how long (in s) it will...
I had previous 0.0000024677x10^6 Amperes but got it incorrect. What would be the correct answer then.Thanks...
I had previous 0.0000024677x10^6
Amperes but got it incorrect. What would be the
correct answer then.Thanks
Question 13 (10 points) 18.0 V 5.00 8.00 12.0 V 7.00 11.00 + + 5.00 36.0 V Calculate the current, 13, through the 5.00Q resistor. Note: Your answer is assumed to be reduced to the highest power possible Y Answer: x10 Answer units
Question 6 (1 point) What volume (in mL) of (1.06x10^1) M sodium hydroxide is needed to...
Question 6 (1 point) What volume (in mL) of (1.06x10^1) M sodium hydroxide is needed to make (9.089 2x10^2) mL of 0.800 M solution? Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer
For the yo-yo given in the handout, calculate the final speed of the center of mass,...
For the yo-yo given in the handout, calculate the final speed of the center of mass, v_cm. Use the same numbers as in the problem for the case of the wood axle. The height of the fall is (9.0x10^-1) m. Report your answer in the units of m/s Note: Your answer is assumed to be reduced to the highest power possible, Your Answer: X10 Answer
Question 3 (2 points) Based on the thermochemical equation 2 C4H10 + 13 02 → 8...
Question 3 (2 points) Based on the thermochemical equation 2 C4H10 + 13 02 → 8 CO2 + 10 H20 AH - -5316 kJ, how many grams of C4H10 (MM = 58.14 g/mol) would have to react in order to release (7.44x10^4) kJ of heat? Enter your answer in scientific notation with 3 sig figs. Do not include any units in your answer. Do not round any intermediate calculations. Note: Your answer is assumed to be reduced to the highest...
The conducting rod ab shown in the figure makes contact with metal rails ca and db....
The conducting rod ab shown in the figure makes contact with metal rails ca and db. The apparatus is in a uniform magnetic field of 1.50 T, perpendicular to the plane of the figure. If the resistance of the circuit abdc is 0.800 (assumed to be constant), what will be the constant speed of the bar when pushed by a 2.25 N force. 50.0 cm XX Note: Your answer is assumed to be reduced to the highest power possible. Your...
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...
help
Question 1 (1 point) Find the [OH-] given that the [H3O+] = (8.59x10^-2). Give your answer to the correct number of significant figures. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer Question 2 (1 point) Find the pH given that the [H30-) = 0.0023M Give your answer to 2 decimal places. Your Answer: Answer
How many moles of fluorine atoms are there in (3.20x1042) grams of SF4? Give your answer in scientific notation with 3 significant figures. Do not put your answer. Remember, in scientific notation you must include an exponent, even if that exponent is zero. any units in Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer
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 4 (1 point) Determine how long (in s) it will take an electron to traverse a (3.95x10A1) mm length of crystal at room temperature The electron mobility of the material is (3.620x10-1) m2/V-s, and the magnitude of the electric field is (1.2826x10A3) V/m. Use scientific notation, significant figures in answer: 3 Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer
Question 4 (1 point) Determine how long (in s) it will...
I had previous 0.0000024677x10^6
Amperes but got it incorrect. What would be the
correct answer then.Thanks
Question 13 (10 points) 18.0 V 5.00 8.00 12.0 V 7.00 11.00 + + 5.00 36.0 V Calculate the current, 13, through the 5.00Q resistor. Note: Your answer is assumed to be reduced to the highest power possible Y Answer: x10 Answer units
Question 6 (1 point) What volume (in mL) of (1.06x10^1) M sodium hydroxide is needed to make (9.089 2x10^2) mL of 0.800 M solution? Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer
For the yo-yo given in the handout, calculate the final speed of the center of mass, v_cm. Use the same numbers as in the problem for the case of the wood axle. The height of the fall is (9.0x10^-1) m. Report your answer in the units of m/s Note: Your answer is assumed to be reduced to the highest power possible, Your Answer: X10 Answer
Question 3 (2 points) Based on the thermochemical equation 2 C4H10 + 13 02 → 8 CO2 + 10 H20 AH - -5316 kJ, how many grams of C4H10 (MM = 58.14 g/mol) would have to react in order to release (7.44x10^4) kJ of heat? Enter your answer in scientific notation with 3 sig figs. Do not include any units in your answer. Do not round any intermediate calculations. Note: Your answer is assumed to be reduced to the highest...
The conducting rod ab shown in the figure makes contact with metal rails ca and db. The apparatus is in a uniform magnetic field of 1.50 T, perpendicular to the plane of the figure. If the resistance of the circuit abdc is 0.800 (assumed to be constant), what will be the constant speed of the bar when pushed by a 2.25 N force. 50.0 cm XX Note: Your answer is assumed to be reduced to the highest power possible. Your...
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