subject

Chemistry, 17.02.2020 22:46 lemoinedegraw

The gears on a bicycle are an example of what type of simple machine?

Lever

Wheel and Axle

Inclined plane

Pulley

ansver

Answers: 2

Show answers

Another question on Chemistry

question

Chemistry, 22.06.2019 08:00

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Answers: 1

question

Chemistry, 22.06.2019 10:40

Ammonia and oxygen react to form nitrogen monoxide and water, like this: 4nh3 (g) + 5o2 (g) → 4no (g) + 6h2o (g) also, a chemist finds that at a certain temperature the equilibrium mixture of ammonia, oxygen, nitrogen monoxide, and water has the following composition: compound pressure at equilibrium nh3 65.1atm o2 31.3atm no 62.7atm h2o 65.8atm compound pressure at equilibrium nh3 65.3 atm o2 7.79 atm no 12.1 atm h2o 65.8 atm calculate the value of the equilibrium constant kp for this reaction. round your answer to 2 significant

Answers: 2

question

Chemistry, 22.06.2019 15:00

Describe what happens to the molecules as water goes from ice to liquid to vapor. be sure to explain what happens to the temperature during the phase changes.

Answers: 2

question

Chemistry, 22.06.2019 22:00

4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.

Answers: 2

You know the right answer?

The gears on a bicycle are an example of what type of simple machine?

Lever

...

Questions

question

Geography, 27.04.2021 20:00

Need help! 100 points! fill in the blanks! ...

question

Mathematics, 27.04.2021 20:00

Lilian drove into a lorry park at 11 55 When she drove out of the lorry park she had to pay 9 euros...

question

Mathematics, 27.04.2021 20:00

John was asked to design a three-sided flower garden with the following lengths: 5 feet, 11 feet, and 12 feet. How many feet of bricks will he need to...

question

Mathematics, 27.04.2021 20:00

Calculate the volume of the rectangular prism using two different methods. Label your solution Method 1 and Method 2 ...

question

English, 27.04.2021 20:00

Part of Esperanza's personal philosophy seems to be to take every day as it comes, finding the happiness where she can. Provide two examples...

question

History, 27.04.2021 20:00

Kosovo is, after all, where the violence in the former Yugoslavia began, over a decade ago, when they lost the autonomy guaranteed under Yugoslav law....

question

Mathematics, 27.04.2021 20:00

45° + (9x-17)° + 80° = 180 ...

question

Social Studies, 27.04.2021 20:00

Imperialism involves the domination of which parts of a country over another?...

question

Mathematics, 27.04.2021 20:00

Bushra purchases a car for $12,900. The car will depreciate at a rate of 15% each year. After how many years will the value of the car be less than...

question

Mathematics, 27.04.2021 20:00

Help _ What fraction multiplication sentence could this model represent? _ just boxthings

question

Computers and Technology, 27.04.2021 20:00

Hey, Another question. I'm sure it's possible in the future, but I wanted to ask if HIE would be possible. I'm sure it would be, I just want to hear o...

question

Mathematics, 27.04.2021 20:00

How do you solve this? ...

question

Social Studies, 27.04.2021 20:00

Use the chart to answer the question. Which of these BEST completes the chart?

question

Biology, 27.04.2021 20:00

What substances are returned to the blood before it leaves the kidneys?...

question

English, 27.04.2021 20:00

I will give Brainliest to person who's right and gives best answer. Read the following thesis statement. Then use the supporting details provided to...

question

Mathematics, 27.04.2021 20:00

Change to slope-intercept form. Then find the y-intercept, first point, and second point. X+3y > 9 slope intercept form y -Intercept

question

Social Studies, 27.04.2021 20:00

I m hella bored and wanna talk to smbdy in actual so who is up?...

question

Mathematics, 27.04.2021 20:00

Markuo wants to buy grass seed to cover his whole lawn, except for the pool. The pool is 6 1/2 m by 3 1/4 m. Find the area the grass seed need...

question

English, 27.04.2021 20:00

What do paragraphs 2-4 reveal about Black life in America in 1955? A Black people could expect the same treatment from white people in a...

question

Mathematics, 27.04.2021 20:00

Review the table of values for function h(x). x h(x) 8.9 3.83 8.99 –1.19 8.999 4.73 9 undefined 9.001 –4.73 9.01...

More questions: Chemistry Another questions