2 years ago

Un camion que circula a 90 km hora frena uniformemente con una aceleracion de -5 metros por segundos al cuadrado

Chemistry

1 answer:

kozerog [31]2 years ago

7 0

Answer:

no habla espanol

Explanation:

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Which statement describe molecules?

antoniya [11.8K]

Answer:

A group of atoms bonded together by different chemical reactions. It is the smallest fundamental unit of a chemical compound.

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3 years ago

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Draw a molecular model of sulfur trioxide.

bija089 [108]

Answer:

Here's what I get

Explanation:

The Lewis structure of SO₃ consists of a central sulfur atom double-bonded to each of three oxygen atoms that points to the corners of an equilateral triangle.

A ball-and-stick model of SO₃ is shown below.

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3 years ago

If you know the poh of a solution how can you determine its ph

Sati [7]

POH+pH=14,
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pH=14-pOH

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2 years ago

Consider four elements from Group 17: fluorine in the second period, chlorine in the third period, bromine in the fourth period,

nika2105 [10]

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3 years ago

How many moles are in 1.5L of 0.40M Na2SO4?

anzhelika [568]

Answer:

0.60 moles of Na₂SO₄

Explanation:

Molarity is an unit of concentration defined as the ratio between moles of solute and liters of solution.

A solution of Na₂SO₄ 0.40M contains 0.40 moles of solute (Na₂SO₄) per liter of solution.

As you have 1.5L of solution, moles of Na₂SO₄:

1.5L × (0.40mol / L) = <em>0.60 moles of Na₂SO₄</em>

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3 years ago