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Elenna [48]
1 year ago
11

Could use some help, thanks. Complete each row of the table below by filling in the missing prefix or missing exponent.

Chemistry
1 answer:
Minchanka [31]1 year ago
3 0

Answer:

if eel u gngg ferr

Explanation:

asdads

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The density of benzene is 0.879g/mL. The volume (with 1 decimal) of 131.9g sample of benzene is how many mL?
timurjin [86]

Answer:

150.1 mL

Explanation:

Step 1: Given data

  • Density of benzene (ρ): 0.879 g/mL
  • Mass of the sample of benzene (m): 131.9 g
  • Volume of the sample of benzene (V): ?

Step 2: Calculate the volume of the sample of benzene

Density is an intrinsic property. It is equal to the quotient between the mass and the volume of the sample of benzene.

ρ = m/V

V = m/ρ

V = 131.9 g/(0.879 g/mL)

V = 150.1 mL

5 0
3 years ago
I'm confused
aleksley [76]

Answer:

Energy

Explanation:

Between gas to liquid, or liquid to gas, will give off extra energy to the surrounding environment

4 0
2 years ago
Read 2 more answers
12. Which gas has the greatest kinetic energy at STP?
balandron [24]

Answer:

d. none of the above (all have the same kinetic energy)

Explanation:

The kinetic theory of gases states that the molecules of an ideal gas experience a constant random motion.

At standard temperature and pressure (STP), the kinetic energy of an ideal gas such as hydrogen, argon, neon, sodium, oxygen, helium, magnesium, beryllium, nitrogen, carbon, fluorine, chlorine etc are all the same.

The standard temperature and pressure (STP) of an ideal gas is 273K and 100 kPa.

Hence, all of the gases have the same kinetic energy at standard temperature and pressure (STP).

Kinetic energy can be defined as an energy possessed by an object or body due to its motion.

Mathematically, kinetic energy is given by the formula;

K.E = \frac{1}{2}MV^{2}

Where, K.E represents kinetic energy measured in Joules.

M represents mass measured in kilograms.

V represents velocity measured in metres per seconds square.

4 0
3 years ago
true or false The atoms in Container A are hydrogen atoms. Hydrogen is a gas. The atoms placed in containers E, F, G, and H will
sleet_krkn [62]

Answer:

False

Explanation:

7 0
3 years ago
A) 3 and 4<br><br> b) 2 and 3<br><br> c) 1 and 2<br><br> d) 1 and 4
tatiyna
<h3>Answer:</h3>

d) 1 and 4

<h3>Explanation:</h3>
  • Elements are made up of particles known as atoms.
  • Atoms of the same element have the same properties as the element.
  • The atoms of an element may differ in terms of the number of neutrons and have a different mass number, such atoms are known as isotopes.
  • However, the isotopes have an equal number of protons or atomic number.
  • In this case, atom 1 has a mass number of 20 and an atomic number of 10 while atom 4 has a mass number of 21 and an atomic number of 21.
  • Therefore, atom 1 and 4 are isotopes of element E.

4 0
3 years ago
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