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Anestetic [448]
2 years ago
14

Describe the scale used to measure the basicity of a substance. Demonstrate how you could differentiate a weak base from a stron

g one
Chemistry
1 answer:
Katena32 [7]2 years ago
3 0

Explanation:

You can determine the basicity of a substance by pH or pOH. The higher the pH, the stronger base a substance has. As for pOH, it is the exact opposite.

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The pressure in car tires is often measured in pounds per square inch ( lb/in.2 ), with the recommended pressure being in the ra
Goshia [24]

when we convert 32.5 lb/in² to atmosphere, the result obtained is 2.21 atm

<h3>Conversion scale</h3>

14.6959 lb/in² = 1 atm

<h3>Data obtained from the question</h3>
  • Pressure (in lb/in²) = 32.5 lb/in²
  • Pressure (in ATM) =?

<h3>How to convert 32.5 lb/in² to atm</h3>

14.6959 lb/in² = 1 atm

Therefore

32.5 lb/in² = 32.5 / 14.6959

32.5 lb/in² = 2.21 atm

Thus, 32.5 lb/in² is equivalent to 2.21 atm

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4 0
1 year ago
A diver swims 5. 875 feet up to the surface of the water. Which number represents the diver’s position in relation to the surfac
Tanzania [10]

Answer

Negative 5 and StartFraction 7 over 8 EndFractionfeet

7 0
2 years ago
How many molecules are in 189.5 grams of no2?
xz_007 [3.2K]
<span>NO2 weighs 46.005 grams per mol. There are 6.02x10^23 molecules in a mol. In the given sample of 189.5 grams, there are 4.12 mols. This means that there are 2.48x10^24 molecules of NO2 in the given sample.</span>
5 0
2 years ago
1. Sodium hydroxide reacts with carbon dioxide according to the equation: 2NaOH(s) + CO2(g) →
Leno4ka [110]

The limiting reagent when 5 g of NaOH and 4.4 g CO₂  allowed to react will be NaOH

<h3>What is Limiting reagent ?</h3>

The limiting reactant (or limiting reagent) is the reactant that gets consumed first in a chemical reaction and therefore limits how much product can be formed.

Given chemical equation in balanced form ;

2NaOH(s) + CO₂(g) → Na₂CO₃(s) + H₂O(l).

According to the Chemical equation ;

  • The limiting reagent when 5 g of NaOH and 4.4 g CO₂  allowed to react will be NaOH

    If 44 g CO₂ requires 80 g of NaOH, therefore, 4.4 g CO₂ will require atleast 8 g of NaOH.

    But the available quantity is 5 g NaOH. thus, NaOH is the Limiting reagent.

  • 6.625 g of Na₂CO₃ are expected to be produced 5.0 g of NaOH and 4.4 g of CO₂ are allowed to react

    As 80 g NaOH produces 106 g of Na₂CO₃.

    Therefore 5 g NaoH will produce ;

    106 / 80 x 5 = 6.625 g

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brainly.com/question/11848702

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5 0
2 years ago
1)petroleum and natural gas are formed in the__________
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1. In the remains of organisms such as plants and algae.
2. Air, peace of mind know knowleged and water
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4. Is a colorless , odorless gass that is very flammable.
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