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3 years ago

14

Write the complete and net ionic equations for the following reactions. If only the reactants are given, predict the products an

d balance the equation first.

1 answer:

11111nata11111 [884]3 years ago

3 0

Explanation:

u can put them in order crossed are spectator ions. hope this helps:)

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The image shows what happens when an antacid tablet is placed in water. The process shown in the image can best be described as

aleksandr82 [10.1K]

Answer:

Hello my friend! The correct answer is "The process shown in the image can best be described as a rapid chemical reaction where gas is released"

Explanation:

Most antacid products uses Sodium bicarbonate (NaHCO3). When placed in water, NaHCO3 reacts with acids very rapidly, releasing CO2, according to the chemical reaction below:

NaHCO3 + HCl → NaCl + H2O + CO2

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4 years ago

How many moles is ( 1 x 10^9 ) molecules O2

Effectus [21]

Answer:

The answer is

$1.66 \times {10}^{ - 15} \: \: moles$

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

$n = \frac{N}{L} \\$

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

$n = \frac{1 \times {10}^{9} }{6.02 \times {10}^{23} } \\$

We have the final answer as

$1.66 \times {10}^{ - 15} \: \: moles$

Hope this helps you

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3 years ago

What energy conversion occurs when a solar panel uses light to provide power to a house?

valkas [14]

<span>A) Electrical energy is converted to solar energy.</span>

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3 years ago

A sample of fluorine gas is confined in a 5.0-L container at 0.432 atm and 37 °C. How many moles of gas are in this sample?

Ahat [919]

Answer:

About 0.08486 moles

Explanation:

PV=nRT, when P is the pressure in atmospheres, V is the volume in liters, n is the number of moles, R is the universal gas constant, and T is the temperature in Kelvin.

$0.432 \cdot 5= n \cdot 0.0821 \cdot 310$

$n\approx 0.08486$ moles

Hope this helps!

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4 years ago

An accelerating car is always gaining speed T or F

Sophie [7]

True because as a car accelerated it gains speed which propels it forward.

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3 years ago