Water molecules tend to be ________ because they are held together by _________

What is the conversion of 85.0kg

mina [271]

Answer:

85

Explanation:

6 0

4 years ago

Answer these plz<br> for 10 points =)

4vir4ik [10]

Explanation:

turn a paper that is wet and a alkaline is a wet tooo

4 0

3 years ago

Read 2 more answers

Calculate the number of atoms in 6.5 moles of NaCI

Ne4ueva [31]

Answer:

$1 \: mole = 6.02 \times {10}^{23} \: atoms \\ 6.5 \: moles = (6.5 \times {6.02 \times 10}^{23} ) \: atoms \\ = 3.913 \times {10}^{24} \: atoms$

5 0

3 years ago

At 25.0 °C the Henry's Law constant for sulfur hexafluoride (SP) gas in water is 2.4x 10 M/atm Calculate the mass in grams of SF

Dmitry_Shevchenko [17]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The mass is $m = 0.0349 \ g$

Explanation:

From the question we are told that

The Henry's Law constant is $k = 2.4 *10^{10} M/atm$

The volume of water is $V = 525 \ ml = 0.525 \ L$

The partial pressure is $P = 1.90 \ atm$

The temperature is $T = 25 ^oC$

Henry's law is mathematically represented as

$C = P * k$

Where C is the concentration of sulfur hexafluoride(SP)

substituting value

$C = 1.90 * 2.4*10^{-4}$

$C = 4.56*10^{-4} \ M$

The number of moles of SP is mathematically represented as

$n = C * V$

substituting value

$n = 0.525 * 4.56*10^{-4}$

$n = 2.39 *10^{-4} \ moles$

The mass of SP that dissolved is

$m = n * Z$

Where Z is the molar mass of SP which has a constant value of

$Z = 146 g/mole$

So

$m = 2.394*10^{-4} * 146$

$m = 0.0349 \ g$

6 0

3 years ago

Which two factors must be considered when predicting whether two substances will dissolve in each other?

r-ruslan [8.4K]

The two factors must be considered when predicting whether two substances will dissolve in each other are type of bonds and size of the molecules are two factors.

<h3>What is solubility?</h3>

Solubility is the ability of solute particles to dissolve in any solvent, and solubility is directly proportional to the dissolving ability of the solute.

Solubility of any substance depends on the type of the bond present in the solute molecule i.e. polar or non polar. And it is also depends on the size of the solute as size defines the surface tenssion of the substance.

Number of bonds and shape of molecules are also define the solubility but not at that extent as their type and shape.

Hence type of bonds and size of the molecules are two factors.

To know more about dissolution, visit the below link:
brainly.com/question/26073928

6 0

2 years ago

Water molecules tend to be ________ because they are held together by __________ bonds.

Water molecules tend to be because they are held together by __ bonds.