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lara31 [8.8K]
3 years ago
6

Do the following ! I'LL MARK THE BRAINLEST! ITS SCIENCE!

Chemistry
1 answer:
ipn [44]3 years ago
5 0

Answer:

it's easier to look it up

Explanation:

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Calculate the de Broglie wavelength of a body of mass 1 kg moving with a velocity of
skelet666 [1.2K]

Answer:

4.42 × 10⁻³⁷ m

Explanation:

Step 1: Given and required data

  • Mass of the body (m): 1 kg
  • Velocity of the body (v): 1500 m/s
  • Planck's constant (h): 6.63 × 10⁻³⁴ J.s

Step 2: Calculate the de Broglie wavelenght (λ) of the body

We will use de Broglie's equation.

λ = h / m × v

λ = (6.63 × 10⁻³⁴ J.s) / 1 kg × (1500 m/s) = 4.42 × 10⁻³⁷ m

6 0
3 years ago
What is/are converted into carbon dioxide , water, and energy in aerobic respiration
Lana71 [14]

Cellular respiration involves breakdown of glucose into carbon dioxide and water in presence of oxygen, releasing energy. ... ATP molecule is converted into ADP molecule, whenever energy is needed for any metabolic reaction or activity. The energy stored in it is released to be used in metabolic reaction.

Hope this helps! So sorry if I'm wrong

3 0
3 years ago
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Sodium hydroxide is a common ingredient in drain cleaners such as Drano. The mole fraction of sodium hydroxide in a saturated aq
SVETLANKA909090 [29]

Answer:

The correct answer to this question is (c) 25.0 m

Explanation:

To solve this we list out the variables thus

mole fraction of sodium hydroxide = 0.310

Mole fraction = number of moles of a component ÷ total number of moles in the solution

Mole fraction = 0.310

In a saturaturated aqueous solution we have NaOH and water

∴ Number of moles of water molecules per unit = 1 - 0.310 = 0.690

However 0.690 moles of H₂O  weighs = 0.690 mole × 18.01528 g/mol =12.43 g = 0.01243 kg of H₂O

But the molality = number of moles per Kilogram of H₂O

therefore molality of NaOH in the sample of solution =

(0.310 mol of NaOH )÷(0.01243 kg of H₂O)

= 24.93 mol/kg or ≅ 25.0 m

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3 years ago
Using the periodic table, complete the table to describe each atom. Type in your answers.
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Answer:

A<em>=</em><em>4</em>

<em>B</em><em>=</em><em> </em><em>4</em><em>+</em><em>2</em><em> </em><em>=</em><em>6</em>

<em>C</em><em>=</em><em>C</em><em>arbon</em>

<em>D</em><em>=</em><em>10</em>

<em>E</em><em>=</em><em>22</em>

<em>F</em><em>=</em><em>Argon</em><em> </em>

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3 years ago
Coefficient of 3MgCl2?
ASHA 777 [7]
The coefficient is 3
4 0
4 years ago
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