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3 years ago

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huge \text{what \: is \: acid??}" alt=" \huge \text{what \: is \: acid??}" align="absmiddle" class="latex-formula">

✴ give the answer in your own words ❗

1 answer:

maksim [4K]3 years ago

4 0

An acid is a molecule or ion capable of either donating a proton, known as a acid, or, capable of forming a covalent bond with an electron pair, The first category of acids are the proton donors.

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Convert: 6 cubic centimeters to fluid ounces. 2.03 0.203 0.00203 0.000203

NNADVOKAT [17]

Convert: 6 cubic centimeters to fluid ounces. 2.03 0.203 0.00203 0.000203

=0.203

6 0

4 years ago

Many chemistry problems result in equations of the form

Gnom [1K]

Answer:

When this equation is solved, the two values of the unknown are 0.0643 and -0.082

Explanation:

Given

$1.77 * 10^{-2} = \frac{x^2}{0.298 - x}$ --- the actual equation

Required

The values of x

We have:

$1.77 * 10^{-2} = \frac{x^2}{0.298 - x}$

Cross Multiply

$1.77 * 10^{-2} * (0.298 - x)= x^2$

Multiply both sides by 100

$1.77 * (0.298 - x)= 100x^2$

Open bracket

$0.52746 - 1.77x= 100x^2$

Rewrite as:

$100x^2 + 1.77x - 0.52746 =0$

Using quadratic formula:

$x = \frac{-b \± \sqrt{b^2 - 4ac}}{2a}$

Where:

$a = 100; b = 1.77; c = -0.52746$

So, we have:

$x = \frac{-1.77 \± \sqrt{1.77^2 - 4*100*- 0.52746 }}{2*100}$

$x = \frac{-1.77 \± \sqrt{214.1169}}{2*100}$

$x = \frac{-1.77 \± 14.63}{200}$

Split

$x = \frac{-1.77 + 14.63}{200}\ or\ x = \frac{-1.77 - 14.63}{200}$

$x = \frac{12.86}{200}\ or\ x = \frac{-16.40}{200}$

$x = 0.0643\ or\ x = -0.082$

3 0

3 years ago

A sample is found to contain 57.2 % N a H C O 3 NaHCOX3 by mass. What is the mass of NaHCO 3 in 4.25 g of the sample

liq [111]

Answer:

The mass of N a H C O 3 present is 2.431 g

Explanation:

The sample contains 57.2 % N a H C O 3 by mass.

To find the mass of N a H C O 3 in the sample, we need to find what the equivalent of 57.2 %.

Mass of N a H C O 3 = Percentage Composition * Mass of sample

Mass of N a H C O 3 = 57.2 / 100 * 4.25

Mass of N a H C O 3 = 2.431 g

The mass of N a H C O 3 present is 2.431 g

3 0

4 years ago

2. When the child is pushed in the toy car, he increases speed. Does he accelerate as he is being pushed?

Otrada [13]

Yes. Look up Newton’s laws of physics. That should help

7 0

3 years ago

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20 grams of H₂S react with 20 grams of O₂. What is the limiting reagent? *

ryzh [129]

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3 years ago