Homework Answers
Add Answer to:
If you were to follow the rule of significant figures, what would be the answer of...
When using significant figures in mathematical operations, what is the specific rounding rule when multiplying or...
When using significant figures in mathematical operations, what is the specific rounding rule when multiplying or dividing numbers?
What is the charge Q1? Express your answer to three significant figures and include the appropriate...
What is the charge Q1? Express your answer to three significant figures and include the appropriate units. Constants Two small nonconducting spheres have a total charge of Q- 1Q 95.0 C, Q1Q2. When placed 22.0 cm apart, the force each exerts on the other is 13.0 N and is repulsive. -Value Units Submit X Incorrect; Try Again; 2 attempts remaining Part B What is the charge Q2? Express your answer to three significant figures and include the appropriate units. 2Value...
How much current is needed? Review Express your answer using two significant figures You would like...
How much current is needed? Review Express your answer using two significant figures You would like to store 8.8 J of energy in the magnetic field of a solenoid The solenoid has 570 circular turns of diameter 7.8 cm distributed uniformly along its 29 cm length Submit Request Answer Part B What is the magnitude of the magnetic field inside the solenoid? Express your answer using two significant figures Submit Request Answer Part C What is the energy density (energy/volume)...
Reset Help The minimal number of significant figures that would allow you to identify whether a...
Reset Help The minimal number of significant figures that would allow you to identify whether a gas is argon or krypton is 2 3 The minimal number of significant figures that would allow you to identify whether a gas is krypton or xenon is The minimal number of significant figures that would allow you to identify whether a gas is neon or argon is The minimal number of significant figures that would allow you to identify whether a gas is...
To what decimal place should each answer be rounded? How many significant figures does the rounded...
To what decimal place should each answer be rounded? How many significant figures does the rounded answer have? a 9 cm + 2.8 cm-11.8 cm (unrounded) O 1 significant figure 2 significant figures O 3 significant figures o ones place er rounding, the number O tenths place and thus has should be reported to the O hundredths place b 0.135 atm 0.6 atm-0.735 atm (unrounded) O 1 significant figure. and thus has2 significant figures 3 significant figures O ones place...
AUSWC. 5) What is the H30* concentration to the correct number of significant figures for solutions with the follow...
AUSWC. 5) What is the H30* concentration to the correct number of significant figures for solutions with the following pH values? (a) 0.00 (b) 7.00 (C) 2.63 (d) -0.42 (e) 11.21 (a) Calculate the pH of a buffer solution that is 0.45 M in NH4Cl and 0.15 M in NH3. (b) How would you prepare an NH4Cl-NH3 buffer that has a pH of 9.00? (The Kb for NH3 is 1.8 x 10)
What answer should be reported, with the correct number of significant figures, for the following calculation?...
What answer should be reported, with the correct number of significant figures, for the following calculation? (249.362+ 41)/63.498 =
How would your initial answer for Sau3A change if you knew that the average GC content of the human genome was 35%? Express your answer using three significant figures. fragments Submit Previous Answ...
How would your initial answer for Sau3A change if you knew that the average GC content of the human genome was 35%? Express your answer using three significant figures. fragments Submit Previous Answers Request Answer X Incorrect: Try Again; 4 attempts remaining Part F How would your initial answer for BamHI change if you knew that the average GC content of the human genome was 35%? Express your answer using three significant figures. fragments
How would your initial answer for...
Please answer as soon as possible and watch significant figures thank you 19) What mass of...
Please answer as soon as possible and watch significant figures
thank you
19) What mass of barium hydroxide, in gram, must be dissolved in 200 mL of water in order to prepare a solution at pH 10.66 (at 25°C)? 3 pts
a) A is a quantity with two significant figures. B has 4 significant figures. If C =...
a) A is a quantity with two significant figures. B has 4 significant figures. If C = A + B, D = A*B, and E=B/A What should the number of significant figures of C, D and E be? b) Compare and contrast the following pairs of definitions, one set at a time. For each set of definitions, describe what kind of measurements ( time, positions etc) must you do in order to compute the quantity based on their definitions. Be as...
What is the charge Q1? Express your answer to three significant figures and include the appropriate units. Constants Two small nonconducting spheres have a total charge of Q- 1Q 95.0 C, Q1Q2. When placed 22.0 cm apart, the force each exerts on the other is 13.0 N and is repulsive. -Value Units Submit X Incorrect; Try Again; 2 attempts remaining Part B What is the charge Q2? Express your answer to three significant figures and include the appropriate units. 2Value...
How much current is needed? Review Express your answer using two significant figures You would like to store 8.8 J of energy in the magnetic field of a solenoid The solenoid has 570 circular turns of diameter 7.8 cm distributed uniformly along its 29 cm length Submit Request Answer Part B What is the magnitude of the magnetic field inside the solenoid? Express your answer using two significant figures Submit Request Answer Part C What is the energy density (energy/volume)...
Reset Help The minimal number of significant figures that would allow you to identify whether a gas is argon or krypton is 2 3 The minimal number of significant figures that would allow you to identify whether a gas is krypton or xenon is The minimal number of significant figures that would allow you to identify whether a gas is neon or argon is The minimal number of significant figures that would allow you to identify whether a gas is...
To what decimal place should each answer be rounded? How many significant figures does the rounded answer have? a 9 cm + 2.8 cm-11.8 cm (unrounded) O 1 significant figure 2 significant figures O 3 significant figures o ones place er rounding, the number O tenths place and thus has should be reported to the O hundredths place b 0.135 atm 0.6 atm-0.735 atm (unrounded) O 1 significant figure. and thus has2 significant figures 3 significant figures O ones place...
AUSWC. 5) What is the H30* concentration to the correct number of significant figures for solutions with the following pH values? (a) 0.00 (b) 7.00 (C) 2.63 (d) -0.42 (e) 11.21 (a) Calculate the pH of a buffer solution that is 0.45 M in NH4Cl and 0.15 M in NH3. (b) How would you prepare an NH4Cl-NH3 buffer that has a pH of 9.00? (The Kb for NH3 is 1.8 x 10)
What answer should be reported, with the correct number of significant figures, for the following calculation? (249.362+ 41)/63.498 =
How would your initial answer for Sau3A change if you knew that the average GC content of the human genome was 35%? Express your answer using three significant figures. fragments Submit Previous Answers Request Answer X Incorrect: Try Again; 4 attempts remaining Part F How would your initial answer for BamHI change if you knew that the average GC content of the human genome was 35%? Express your answer using three significant figures. fragments
How would your initial answer for...
Please answer as soon as possible and watch significant figures
thank you
19) What mass of barium hydroxide, in gram, must be dissolved in 200 mL of water in order to prepare a solution at pH 10.66 (at 25°C)? 3 pts
Most questions answered within 3 hours.
-
Which is a possible value for the principal quantum number
n?
7, 3.14 , 2.5, None...
asked 2 minutes ago -
Everyone loves a helium filled balloon for a party. Do some
basic Internet research and answer...
asked 1 minute ago -
Here is a pair of aromatic compounds that each have a complicated
set of aromatic peaks....
asked 20 minutes ago -
As with many public goods, determining the appropriate level of
government support for the production of...
asked 23 minutes ago -
Write a balanced chemical equation for the oxidation reaction
between Caro’s acid (H2SO5) and CN– ion...
asked 26 minutes ago -
Calculate the number of valence electrons for
[Mo(C6H6)(CO)3]
asked 37 minutes ago -
Which of the following are true about the strength of the
association between two variables?
1-...
asked 33 minutes ago -
You are a monopolist and know that your consumers have a linear
demand curve. At what...
asked 32 minutes ago -
Raising a heavy load requires work. Raising it in half the time
requires:
asked 39 minutes ago -
MGT-201: Marketing Management
Before deciding on the structure of the channel marketers must
take several factors...
asked 39 minutes ago -
1. ACLs allow a router to control traffic within a network. The
concept is very similar...
asked 40 minutes ago -
35. When the electron in a hydrogen atom falls from its first
excited energy level to...
asked 42 minutes ago