Ask question

Ask question

All categories

3 years ago

14

The difference between a top security military transmission and an FM radio one is primarily one of _____. amplitude frequency p

hase voltage

1 answer:

Tems11 [23]3 years ago

7 0

Answer: yes

Explanation:

You might be interested in

If you have 32.0 g pure baking soda in a decomposition reaction what is the theroetical yield of sodium carbonate

erastova [34]

Answer:

i dont know

Explanation:

5 0

3 years ago

Why is carbone reduction process not applied for the extraction of alkali

____ [38]

Carbon cannot reduce sodium because sodium is stronger than carbon. reactive metals like sodium and potassium and electrolysis has to be used.

7 0

3 years ago

thank you so much for helping me I don't know science that well trying to get better I've been getting better good grades but st

Rasek [7]

there is not enough information to make a prediction as we dont know what side she taped on magnet C

5 0

3 years ago

What is the term for the amount of salts in water? Evaporation

gtnhenbr [62]

Answer:

B.Salinity

I believe

Explanation:

report if wrong

8 0

3 years ago

Read 2 more answers

Calculate the percent ionization of propionic acid (C2H5COOH) in solutions of each of the following concentrations (Ka is given

tekilochka [14]

Answer:

a) = 0.704%

b) = 1.30%

c) = 2.60%

Explanation:

Given that:

$K_a$ = $1.34*10^{-5$

For Part A; where Concentration of A = 0.270 M

Percentage Ionization(∝) $\alpha = \sqrt{\frac{K_a}{C} }$

$\alpha = \sqrt{\frac{1.34*10^{-5}}{0.270} }$

$\alpha = \sqrt{4.9629*10^{-5}}$

$\alpha = 7.044*10^{-3$

percentage% (∝) = $7.044*10^{-3}*100$

= 0.704%

For Part B; where Concentration of B = $7.84*10^{-2$ M

$\alpha = \sqrt{\frac{1.34*10^{-5}}{7.84*10^{-2}} }$

$\alpha = \sqrt{1.709*10^{-4} }$

$\alpha = 0.0130\\$

percentage% (∝) = 0.0130 × 100%

= 1.30%

For Part C; where Concentration of C= $1.92*10^{-2} M$

$\alpha = \sqrt{\frac{1.34*10^{-5}}{1.97*10^{-2}} }$

$\alpha = \sqrt{6.802*10^{-4}}$

$\alpha =0.02608$

percentage% (∝) = 0.02608 × 100%

= 2.60%

7 0

3 years ago