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3 years ago

Very important! True or false ?Atoms with fewer than 4 outer electrons lend electrons?

Chemistry

1 answer:

Zigmanuir [339]3 years ago

4 0

False because it can be more than that

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A chemist makes a solution of NaOH for use in an experiment. She dissolves 0.00500 mol NaOH in 1.00 L H2O. The NaOH completely d

anygoal [31]

Answer:

pH = 11.7

Explanation:

Given:

[OH-] = 0.00500 M

To determine:

pH of the solution

Explanation:

pH refers to the H+ ion concentration in a given solution whereas pOH indicates the OH- ion concentration.

pH and pOH are related by the following equation:

$pH + pOH = 14 ------(1)$

Here:

$pH = -log[H+]\\\\pOH = -log[OH-]$

When OH- = 0.00500 M

$pOH = -log(0.00500) = 2.30\\$

Based on equation(1):

$pH = 14 - pOH = 14 -2.30=11.7$

6 0

4 years ago

As a consumer what kind of economic problems do we face?

alina1380 [7]

Answer:

Benefits. Businesses use consumer spending data in their supply and demand economic calculations. Supply and demand helps businesses produce goods or services at the most favorable consumer price points. ... Consumer spending helps companies determine which products have the most value in the economic marketplace.

Explanation:

4 0

4 years ago

A glucose solution has a density of 1.02g/mL. what is the specific gravity?

Bond [772]

Answer:- Specific gravity of glucose solution is 1.02.

Solution:- Specific gravity is the ratio of the compound density with water density, means how denser the compound solution is as compared to water.

specific gravity = $\frac{glucose density}{water density}$

density of glucose is given as 1.02 g per mL and water density is 1.00 g per mL.

Let's plug in the values in the formula:

specific gravity = $\frac{1.02}{1.00}$ = 1.02

So, the specific gravity of glucose is 1.02. It indicates that glucose is 1.02 times more denser than water.

4 0

3 years ago

A sodium flame has a characteristic yellow color due to emissions of wavelength 589 nm. What is the mass equivalence of one phot

Sladkaya [172]

I really don’t know but I’ll tell you soon

8 0

4 years ago

Help me Benjamin please

pogonyaev

Answer:

1...option B

2... peroids

3..group

4.. metals

5...7

6...dmitri mendeleev

7.. xenon

8... compound can be broken down by physical means

9... they can be broken down into simpler substance

sry if its wrong

last two 8th and 9th i do t think ots correct

4 0

3 years ago

Read 2 more answers