4,347 Answered Questions for the topic Science

04/13/21

HELP! I need help solving these chemistry questions before midnight! Please and thank you!
a.A sealed container of an unknown gas has a volume of 2.5 L and a pressure of 5 atm at 25​o​C.How much gas is in the container?b.If the mass of the gas in the container is 40.5 g, what is the... more
Follows • 1
Expert Answers •1

04/13/21

I need help before midnight! Please and thank you!
What ​mass​ of chlorine gas is contained in a 10.0 L container at 27°C and 3.50 atm of pressure?
Follows • 1
Expert Answers •1

04/12/21

I need help with maths. How do i insert that image? Its trigonometry.

Help. I need help with maths. How do i insert that image? Its trigonometry.
Follows • 1
Expert Answers •1

04/12/21

I need help with maths. How do i insert that image? Its trigonometry.

Help. I need help with maths. How do i insert that image? Its trigonometry.
Follows • 1
Expert Answers •1

04/12/21

I need help with maths. How do i insert that image? Its trigonometry.

Help. I need help with maths. How do i insert that image? Its trigonometry.
Follows • 1
Expert Answers •1

04/12/21

I need help with maths. How do i insert that image? Its trigonometry.

Help. I need help with maths. How do i insert that image? Its trigonometry.
Follows • 1
Expert Answers •1

04/12/21

can you explain this question in simple terms

What is the solution of x/9 = 42/54?
Follows • 1
Expert Answers •2
Science Chemistry

04/12/21

How many moles of NO are required to completely react with 2.45 mol NH3
Follows • 1
Expert Answers •1

04/12/21

NEED HELP! CAN YOU EXPLAIN TO ME WHAT I AM SUPPOSE TO DO OR HOW TO SOLVE THIS QUESTION.

 Kendra is making her homemade muffin recipe. She uses a certain amount of flour to produce the number of muffins shown in the table. Which ratio is equivalent to the number of cups of flour to the... more
Follows • 1
Expert Answers •1

04/12/21

combining functions
 f(x)=−3x and g(x)=x2+3(f*g)(4)=???
Follows • 1
Expert Answers •1

04/12/21

combining functions
f(x)=x3−4 and g(x)=x3 Step 1 of 2: Find the formula for (f∘g)(x) and simplify your answer. Then find the domain for (f∘g)(x)(f*g)(x)=???Domain=???
Follows • 1
Expert Answers •1

04/12/21

quantum numbers
a.) List all of the possible values for l in the 2nd energy level (n = 2). Leave fields blank if they are not needed.
Follows • 2
Expert Answers •2

04/12/21

HELP ---> 3 Cu  +   8HNO3  --> 3 Cu(NO3)2   +  2 NO  +  4  H2O
3 Cu  +   8HNO3  --> 3 Cu(NO3)2   +  2 NO  +  4  H2OIn the above equation how many moles of water can be made when 144.1 grams of HNO3 are consumed?Round your answer to the nearest tenth. If you... more
Follows • 2
Expert Answers •1

04/11/21

If you measure the size of each plate to be 12 cm2, how far apart are the plates, in micrometers?

 A 0.054 μF capacitor is being held at a potential difference of 431 μV. I keep getting an answer 1.967 * 1o^-7 which is wrong. Please explain and show your work. Thanks!
Follows • 1
Expert Answers •1

04/11/21

combining functions
Find (f∘g)(2) for the following functions. f(−9)=−13 and g(2)=−9(f*g)(2)=???
Follows • 1
Expert Answers •1

04/10/21

combining functions
f(x)=4x and g(x)=cube of √x Step 2 of 2 : Find the formula for (f/g)(x) and simplify your answer. Then find the domain for (f/g)(x).(f/g)(x)=???Domain=???
Follows • 1
Expert Answers •1

04/10/21

physics question
You load a 7.6g AAA battery into your new mini penlight flashlight. The spring at the bottom of the battery compartment has a k=89 and you compress it 2.0 cm as you screw on the cap. At camp you... more
Follows • 2
Expert Answers •1

04/10/21

physics question
Tommy gives Sally (mass 55.0kg) sitting on a swing an underdog and lifts her 1.25m higher than she was when sitting stationary at the bottom of the swing. a. What should Sally’s velocity be when... more
Follows • 1
Expert Answers •1

04/10/21

physics question
A 25 g pellet is placed in the barrel of a toy gun and is propelled by a spring with a spring constant of 50. N/m. The gun is held vertically, the spring is compressed 20. cm and then released... more
Follows • 1
Expert Answers •1

04/10/21

combining functions
f(x)=x2−4 and g(x)=4x Step 1 of 2 : Find the formula for (f+g)(x) and simplify your answer. Then find the domain for (f+g)(x). (f+g)(x)=???Domain=???
Follows • 1
Expert Answers •1

04/09/21

Calculate wavelength
Calculate the wavelength of: a.) an electron (9.10×10-31 kg) moving at a speed of 5.81×106 m/s (13000000 miles per hour).      b.) a baseball (0.140 kg) moving at a speed of 40.2 m/s... more
Follows • 2
Expert Answers •1

04/09/21

Combining functions
f={(−4,−1),(1,−1),(−1,−3)}andg={(0,2),(1,−1),(−4,2)}Step 1 of 4 : Find (f+g)(1).=???
Follows • 1
Expert Answers •1

04/08/21

How can we prevent the earth's average temperature from rising by more than 2 ° C to 2100?

someone explain in detail?
Follows • 2
Expert Answers •1

04/08/21

Why do these manifestations occur in end-stage renal failure?
Explain why each of the following manifestations occurs in end-stage renal failure:  Metabolic acidosis  Hyperkalemia  Hypocalcemia  Increased BUN and serum creatinine  Anemia  Impaired... more
Follows • 2
Expert Answers •1

04/08/21

Predict the sign of ΔS for the following reactions. Then predict whether the reaction is spontaneous, non-spontaneous, or dependent on the magnitude of ΔH, ΔS and temperature.

a.) Na2CO3 (s) Na2O (s) + CO2 (g) (endothermic) b.) 2NF3 (l) N2 (g) + 3F2(g) (exothermic) c.) 2XeO3 (s) 2Xe (g) + 3O2(g) (exothermic)
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.