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3 years ago

The time required for Earth to rotate once on it's axis

Chemistry

2 answers:

Trava [24]3 years ago

8 0

Earth takes one day to rotate on its axis which is 24 hours

ruslelena [56]3 years ago

7 0

24 hours or one day..........................

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Which experimental setup would let a student investigate the connection between kinetic energy and temperature? (1 point) placin

Maslowich

Answer:

The correct option is;

Placing one drop of food coloring in a cup with 60 ml of water at 10°, placing one drop of food coloring in a second cup with 60 ml of water at 40°C

Explanation:

The experimental setup that would allow the student investigate the connection between kinetic energy and temperature should be made up of the following characteristics

1) The constant terms for the experiment should be defined, which in this case are

a) The volume of the water which is 60 ml in both subjects of the experiment

2) The definition of the variable that produces the effect that is being monitored, which is the use of the different temperatures in the two experimental subjects

3)The environmental limits of the experiment, which is the water and the food coloring used

5 0

3 years ago

What is the molar mass of cholesterol if 0.00105 mol weigh 0.406 g?

Rudiy27

Answer:

387 g/mol

Explanation:

The molar mass is a ratio comparing a substance's mass and molar value. The specific ratio looks like this:

Molar Mass (g/mol) = mass (g) / moles

You can plug the given values into the ratio to find the molar mass.

Molar Mass = mass / moles

Molar Mass = 0.406 g / 0.00105 mol

Molar Mass = 387 g/mol

8 0

2 years ago

according to Boyles law if the initial pressure and volume of a gas were five atm for the pressure and 10 mL for the volume and

maks197457 [2]

Answer:The new volume is 5mL

Explanation:

The formular for Boyles Law is; P1 V1 = P2 V2

Where P1 = 1st Pressure V1 = First Volume

P2 = 2nd Pressure V2 = Second Volume

From the question; P1 = 5atm, V1 = 10ml

P2 = 2 x P1 (2 x 5) = 10 atm V2 =?

Using the Boyles Law Formular; P1 V1 = P2 V2, we make V2 the subject of formular; P1 V1/ P2 = V2

∴ 5 x 10/ 10 = 5

∴ V2 = 5mL

5 0

3 years ago

Read 2 more answers

Why does a plant have a cell wall and a cell membrane? ASAP Pls have to turn it in at 11:00pm

Aleonysh [2.5K]

Answer:

The cell wall surrounds the plasma membrane and provides the cell tensile strength and protection. ... The cell wall surrounds the plasma membrane of plant cells and provides tensile strength and protection against mechanical and osmotic stress.

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4 0

3 years ago

What is the mass of 5.35 mol of magnesium, Mg?

Hatshy [7]

130.03175 g. Mol to mass is multiplication. So multiply 5.35 by 24.305 and you will get the answer

3 0

3 years ago