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2 years ago

List 5 characteristics of an acid and 5 characteristics of a base

Chemistry

1 answer:

uranmaximum [27]2 years ago

5 0

Answer:

acid is like sour taste

and bases increases the H for concentration of gas.

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I need help with all of it pls and quick

Mazyrski [523]

With what are you need help?

5 0

2 years ago

What happens when HCl gas is passed through a saturated PbCl2 solution?

VikaD [51]

When HCl is added to a saturated solution of PbCl2, the solubility of PbCl2 would decrease so precipitation would occur. The decrease in the solubility is due to the common ion effect or the presence of Cl- ions in both compounds.

3 0

3 years ago

Calculate the molarity of a salt solution with a volume of 0.250L that contains 0.70 mol of NaCl. (SHOW WORK)

Kazeer [188]

Answer:

= 0.28M

Explanation:

data:

volume = 0.250 L

= 0.250dm^3 ( 1litre = 1dm^3)

moles = 0.70 moles

Solution:

molarity = $\frac{no. of moles}{volume in dm^3}$

= 0.70 / 0.250

molarity = 0.28 M

5 0

1 year ago

Which is the correct chemical symbol for this atom of helium?

Tomtit [17]

H........................................

6 0

2 years ago

If a 2.50 liter container is filled with Ne gas at a pressure of 650 mm Hg and at 25°C, what mass of Ne is in the container?

seraphim [82]

Answer:

1.76 g is the mass of Ne is in the container.

Explanation:

We use the equation given by ideal gas which follows:

$PV=nRT$

where,

P = pressure of the gas = 650 mm Hg

V = Volume of the gas = 2.50 L

T = Temperature of the gas = $25^oC=[25+273]K=298K$

R = Gas constant = $62.3637\text{ L.mmHg }mol^{-1}K^{-1}$

n = number of moles of Ne gas = ?

Putting values in above equation, we get:

$650mmHg\times 2.50L=n\times 62.3637\text{ L.mmHg }mol^{-1}K^{-1}\times 298K\\\\n=\frac{650\times 2.50}{62.3637\times 298}=0.0874mol$

Also, molar mass of Ne = 20.1797 g/mol

So, $Mass = Moles\times Molar\ mass = 0.0874\times 20.1797 g = 1.76\ g$

<u>1.76 g is the mass of Ne is in the container.</u>

7 0

3 years ago