Chemistry

Chemistry, 28.07.2019 09:30, lilmackey

What would be the mass of 1.98x10^28 molecules of water

answer

Answers: 1

Show answers

Similar questions

Предмет

Chemistry, 13.07.2019 18:00, moomoofower

Which of these best explains why a paper clip can float on water? select one: a. water has a very high specific heat. b. water molecules at the surface experience fewer hydrogen bonds than water molecules within the liquid. c. the metal in the paper clip has a lower mass than the water. d. water molecules near the surface produce more buoyant force than water molecules within the liquid?

Answers: 1

Предмет

Chemistry, 05.08.2019 01:00, 8hoofs

Why is ice less dense than water? a. the water molecules in ice have less mass than in liquid water b. the water molecules are more closely packed together in ice than in water. c. the water molecules form crystalline lattice structures in ice where they are more spread out d. the water molecules in ice have less volume than in liquid ice.

Answers: 1

Предмет

Mathematics, 18.08.2019 10:50, saadshami2384

1) "30 minutes is equivalent to 0.30 hours". this sentence is wrong. why? 2) the mass of the sun is 1,98x10^30 kg. what is the order of magnitude of this mass? a) 1,98 kgb) 30c) 10^31 kgd) 10^30 kg3) the masses of the earth and moon are respectively 5,98x10^24 kg and 7,34x10^22 kg. what is the order of magnitude of their relationship? 4) on the side of a bus stands a large billboard 2,50 m and high 130 cm.calculate the area of the panel. what extent the side of a second panel, square shape, with the same area of the first?

Answers: 1

Предмет

Chemistry, 27.09.2019 00:50, sparky1234

Which contains more molecules of water, 4.55 cm3 of ice (0.917 g/cm3 ) at 0◦c or 4.55 cm3 of liquid water at 0◦c? 1. the ice 2. the liquid? how many more molecules? answer in units of molec. i know its the liquad water but how do i find how many more molecules there are i did: m/v=d for ice and liquad water ice mass= 0.917*5= 4.585 liquad water mass= .9998*5= 4.995 then subtracted 4.995-4.585= .41 and converted g to mol= .02277*6.022x10^23= 1.3716e22 but its

Answers: 1

Do you know the correct answer?

What would be the mass of 1.98x10^28 molecules of water...

Questions in other subjects:

Konu

Computers and Technology, 14.09.2019 07:30

Explain how arrays allow you to easily work with multiple values?...

Konu

Physics, 14.09.2019 07:30

Ahot-air balloon is descending at a rate of 1.9 m/s when a passenger drops a camera. if the camera is 47 m above the ground when it is dropped, how much time does it take for the c...

Konu

Physics, 14.09.2019 07:30

Acar that weighs 1.0 x 10^4 n is initially moving at a speed of 38 km/h when the brakes are applied and the car is brought to a stop in 20 m. assuming that the force that stops the...

Konu

Physics, 14.09.2019 07:30

Arunner slows down from a 9.50 m/s at a rate of 2.30 m/s^2 . (a) how far does she travel in the next 6.00 s? (b) what is her final velocity? (c) evaluate the result. does it make...

Konu

Physics, 14.09.2019 07:30

Aball is thrown with velocity of 10 m/s upwards. if the ball is caught 1 m above its initial position, what is the speed of the ball when it is caught?...

Konu

Physics, 14.09.2019 07:30

Amodel rocket rises with constant acceleration to a height of 4.2 m, at which point its speed is 27.0 m/s. how much time does it take for the rocket to reach this height? what was...

Konu

Physics, 14.09.2019 07:30

Which properties should an object, system, or process have in order for it to be a useful standard of measurement for a physical quantity such as length or time? (choose all that...

Konu

Physics, 14.09.2019 07:30

People with normal vision cannot focus their eyes underwater if they aren't wearing a face mask or goggles and there is water in contact with their eyes. explain why not....

Konu

Physics, 14.09.2019 07:30

Abaseball is thrown down a hill. this baseball has on-board sensors that can measure its velocities in both the x- and y- directions. the data show that the ball took off with an i...

Konu

Physics, 14.09.2019 07:30

Abusy chipmunk runs back and forth along a straight line of acorns that has been set out between his burrow and a nearby tree. at some instant the little creature moves with a velo...

Other tasks in the category: Chemistry More task