2 years ago

What is sewageband dirty amd water

1 answer:

7 0

Answer:

Sewage is a liquid containing wastes from households, industrial and agricultural activities discharged into water and it is dirty water.

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If you want 1,775 mL of 48 M MgCl2 solution, how many grams of MgCl2 do you need?

vlada-n [284]

Answer:

0.1

Explanation:

3 0

3 years ago

radioisotope actinium 225 has half life of 10 days, I begin with 16 kg of this isotope, how much will remain after 40 days?

Igoryamba

$N(t)=N_{0}(\frac{1}{2})^\frac{t}{\tau_{_\frac{1}{2}}}}\\\\
N_{0}=16kg\\
t=40days\\
\tau_{_\frac{1}{2}}}=10days\\\\\\
N(t)=16kg*(\frac{1}{2})^{\frac{40}{10}}=16kg*\frac{1}{16}=1kg$

3 0

3 years ago

A chemist prepares a solution of aluminum sulfite by measuring out 109 umol of aluminum sulfite into a 350 mL volumetric flask a

Lelu [443]

Answer:

0.311 mmol/L

Explanation:

109 μmol = 109*10^(-6) mol

109*10^(-6) mol = 109*10^(-6) mol*(10^3 mmol/1mol) = 109*10^(-3) mmol =

=0.109 mmol

350 mL = 0.350 L

0.109 mmol/0.350 L = 0.311 mmol/L

6 0

4 years ago

What is the wavelength of a microwave with a frequency of 2450 mhz

JulsSmile [24]

Answer:

See below

Explanation:

The way to calculate this

speed of light = wavelength * frequency

3 x 10 ^8 m/s = wavelength * 2450000000 Hz

wavelength = .12245 meters

= 1.2245 x 10^-1 Meters

6 0

2 years ago

Write the balanced equation and draw the particulate representation of the following chemical reaction: sodium metal reacts with

KonstantinChe [14]

Answer:

2Na + Cl2 ------> 2NaCl

4H2O2 --------> 4H2O + 2O2

CH4 + 2O2 -------> CO2 + 2H2O

Explanation:

5 0

3 years ago

What is sewageband dirty amd water​

What is sewageband dirty amd water