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3 years ago

How do you physically separate NaCl

1 answer:

6 0

The NaCl suffers decoupling forming a cation Na+ and an anion Cl-, having free electrons the same becomes good conductor of electrical current.

NaCl ----------> Na+ + Cl-

A mixture of water and salt, we can separate the Same by means of simple distillation, this means separates through boiling temperature, the water being a substance with a lower boiling point this will vaporize, passing through the condenser where it receives a cooling, falling in béquer droplets of water and in the initial will remain empty container only the salt.

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A steel beam that is 7.00 m long weighs 326 N. It rests on two supports, 3.00 m apart, with equal amounts of the beam extending

GrogVix [38]

Answer:

The answer to the question is

Suki is 1.12 m close to the end of the steel beam before the beam begins to tip

Explanation:

To solve the question we list out the known variables first

Length of steel beam, L = 7.00 m

Weight of steal beam W = 326 N

Distance between supports = 3.00 m

Weight of Suki = 555 N

By moments theory, the sum of moments about a point = 0

and assuming the steal beam is uniform, the weight of the beam will act at the center of the beam

As described the supports are 2.00 m from each end of the beam thus

taking moments about one of the support with Suki between the end of the beam and the support we have

Distance from center of beam to support = 1.5 m

Distance of Suki to the nearest support = x m

therefore 555 × x + 326 × 1.5 = 0

or x = -0.881 m on the other side of the support

Therefore Suki is (2 - 0.881) m or 1.12 m close to the end before the beam begins to tip

7 0

3 years ago

Charge can be transfered during electrolysis. Name the type of particle responsible for the transfer of charge in the wire and i

lina2011 [118]

Electrons are responsible for the transfer of charge.

8 0

3 years ago

Which of a following elements has the Smallest atomic radius 1. Ge 2. SI 3. Carbon 4. Sn

Artyom0805 [142]

Answer:

carbon

Explanation:

Atomic radius represents the distance from the nucleus to the outer shell of an element.

8 0

3 years ago

What is the volume of 0.80 grams of O2 gas at STP? (5 points) Group of answer choices 0.59 liters 0.56 liters 0.50 liters 0.47 l

Anarel [89]

Answer:

0.56 liters

Explanation:

First we convert 0.80 grams of O₂ into moles, using its molar mass:

0.80 g ÷ 32 g/mol = 0.025 mol

At STP, 1 mol of any given mass occupies 22.4 L. With that information in mind we calculate the volume that 0.025 moles of O₂ gas would occupy:

0.025 mol * 22.4 L/mol = 0.56 L

Thus the answer is 0.56 liters.

3 0

2 years ago

BRAINLIST

garri49 [273]

A) divide by 100. A meter is 100 centimeters so that’s how you can tell

3 0

3 years ago