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2 years ago

Liquids do not have the energy to overcome the ___ and move to the gaseous state.

Chemistry

1 answer:

Ugo [173]2 years ago

4 0

Answer - Inter-molecular attractions

Explanation-

As we know everything around us is made up of matter that means everything has molecules as their basic structure. The state of anything is decided by the spaces between the molecules.

The state of the objects that have strong inter-molecular attractions a solid and gradually the lesser will be in state of liquid and gas. The attraction between the molecules is overcome only when a certain amount of energy is provided from outside.

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mickey reacts magnesium with 1.0 M of hydrochloric acid. the reaction tales 2 minutes and 34 seconds to complete. what are 2 way

lutik1710 [3]

Answer:

Explanation:

To slow down this reaction, we can use any of the methods listed below:

Increase the size of the magnesium by using solid lumps of the metal. This will take a much faster time to react than powered and granulated magnesium.
Reduce the concentration of the acid.
Let the reaction take place at a much lower temperature than that given.

These conditions will slow down a chemical reaction.

7 0

2 years ago

A boy of mass 60 kg and a girl of mass 40 kg are together and at rest on a frozen pond. What is the initial momentum of the boy?

Marianna [84]

The initial momentum of the boy is 0 kgm/s the right option is A. 0 kgm/s.

<h3>What is momentum?</h3>

Momentum can be defined as the product of mass and velocity. The S.I unit of momentum is kgm/s.

The initial momentum of the boy can be calculated using the formula below.

Formula:

M' = mu

Where:

M = Initial momentum of the boy

From the question,

Given:

M = mass of the boy = 60 kg
U = Initial velocity of the boy = 0 m/s (at rest)

Substitute these values into equation 1

M = 60(0)
M = 0 kgm/s

Hence, The initial momentum of the boy is 0 kgm/s the right option is A. 0 kgm/s.
Learn more about momentum here: brainly.com/question/7538238

8 0

1 year ago

Which rock type(s) could be transformed into sediment?

iVinArrow [24]

Answer:

Explanation:

4 0

2 years ago

Read 2 more answers

Please help!! I'll name you brainliest!!

SashulF [63]

Answer:

a) 1

b) 4

c) 7

d) 3

e) 6

4 0

2 years ago

What is the mass of 4.67 mol of Sulfuric Acid (H2SO4)

Ivahew [28]

<h3>Answer:</h3>

458 g H₂SO₄

<h3>General Formulas and Concepts:</h3>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right<u> </u>

<u>Chemistry</u>

<u>Atomic Structure</u>

Reading a Periodic Table

<u>Stoichiometry</u>

Using Dimensional Analysis

<h3>Explanation:</h3>

<u>Step 1: Define</u>

4.67 mol H₂SO₄

<u>Step 2: Identify Conversions</u>

[PT] Molar Mass of H - 1.01 g/mol

[PT] Molar Mass of S - 32.07 g/mol

[PT] Molar Mass of O - 16.00 g/mol

Molar Mass of H₂SO₄ - 2(1.01) + 32.07 + 4(16.00) = 98.09 g/mol

<u>Step 3: Convert</u>

Set up: $\displaystyle 4.67 \ mol \ H_2SO_4(\frac{98.09 \ g \ H_2SO_4}{1 \ mol \ H_2SO_4})$
Multiply/Divide: $\displaystyle 458.08 \ g \ H_2SO_4$

<u>Step 4: Check</u>

<em>Follow sig fig rules and round. We are given 3 sig figs.</em>

458.08 g H₂SO₄ ≈ 458 g H₂SO₄

6 0

2 years ago