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Yuki888 [10]
3 years ago
8

Which pH change represents a hundredfold increase in the concentration of H30+? A) pH 3 to pH 2 (b) pH 7 to pH 9 (c) pH 5 to pH

3 (d) pH 13 to pH 14
Chemistry
1 answer:
Tpy6a [65]3 years ago
6 0

ans C) pH5 to pH3

as concentration increases, while pH decrease

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Help please! + Brainliest
Anarel [89]

1.55 g/L; 9.503 03 × 10^20 mL

<em>Part 1. </em>

<em>Step 1</em>. Convert <em>kilograms to grams</em>.

1.55 kg × (1000 g/1 kg) = 1550 g

<em>Step 2</em>. Convert <em>cubic metres to litres</em>.

1 m^3 × (1000 L/1 m^3) = 1000 L

<em>Step 3</em>. Divide <em>grams by litres</em>

1.55 kg/1 m^3 = 1550 g/1000 L =  1.55 g/L

<em>Part 2.</em>

<em>Step 1</em>. Convert <em>cubic kilometres  to cubic metres</em>

950 303 km^3 × (1000 m/1 km)^3 = 9.503 03 × 10^14 m^3

<em>Step 2</em>. Convert <em>cubic metres to litres</em>.

9.503 03 × 10^14 m^3 × (1000 L/1 m^3) =  9.503 03 × 10^17 L

<em>Step 3</em>. Convert <em>litres to millilitres</em>.

9.503 03 × 10^17 L × (1000 mL/1 mL) = 9.503 03 × 10^20 mL

8 0
4 years ago
Explain whether hydrogen bonding is present between hydrogen<br><br> fluoride (HF) molecules
Mamont248 [21]

Hydrogen bonding occurs when hydrogen is bonded to an oxygen or nitrogen or fluorine atom. In this case, the hydrogen atom in a hydrogen fluoride molecule will be able to bond to the fluoride atom of another hydrogen fluoride molecule, forming a hydrogen bond.

6 0
2 years ago
Can u help meeee and tysmm
suter [353]
You just need to say how the pressure affects the glass
4 0
3 years ago
Read 2 more answers
1) what causes the magnetic fields on the sun?
mr Goodwill [35]
1) <span>flows of hot plasma in the convection zone 
2) dark spots that appear sometimes because of </span><span>concentrations of magnetic field flux
3) "</span><span>a brief eruption of intense high-energy radiation from the sun's surface"
4) gas extended out from the corona but is attached to the sun and can reach great distances
5) large area in cocrona which is less dense and has cooler temperature they occur when "</span><span>the Sun's magnetic field is open to interplanetary space"</span>
3 0
4 years ago
Describe the relationship between the atomic number, mass number, number of protons, number of neutrons.
Charra [1.4K]

Explanation:

Atomic number (Z) = Number of the protons

It means that if the atomic number of C is 6, it implies that the number of protons in carbon is 6 too.

Mass number (M) = Number of the protons +  Number of the neutrons

It means that if the atomic mass of C is 12, it implies that the number of protons and the neutrons in carbon is 12.

8 0
3 years ago
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