3 years ago

What is the name for the prevailing global wind pattern that comes from the poles and blows from east to west?

Chemistry

1 answer:

Fittoniya [83]3 years ago

7 0

Answer: Trade winds :)

Explanation: just took the test

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Is eubacteria a multicellular organism or a unicellular organism?

jasenka [17]

Eubacteria is a unicellular organism because they are made of one cell. Hope this helps! :)

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3 years ago

Which of the following best describes the amount of natural resources found here in the United States?

blsea [12.9K]

Its A Natural resources are found in abundance in the US.

4 0

3 years ago

Calculate the volume of a box with the following dimensions: length=8 cm

wel

Answer: 240 cm³

Explanation:

Volume of the box = l × w × h

= (8 cm × 6 cm × 5 cm)

= 240 cm³

8 0

2 years ago

Given the reaction to 2NaOH + H2 SO4 â Na2 SO4 + 2H2 O, what is the total number of grams of NaOH needed to react completely wit

vfiekz [6]

Answer:

4 moles, 160 g

Explanation:

The formula for the calculation of moles is shown below:

$moles = \frac{Mass\ taken}{Molar\ mass}$

For $H_2SO_4$ :-

Mass of $H_2SO_4$ = 196 g

Molar mass of $H_2SO_4$ = 98 g/mol

The formula for the calculation of moles is shown below:

$moles = \frac{Mass\ taken}{Molar\ mass}$

Thus,

$Moles= \frac{196\ g}{98\ g/mol}$

$Moles\ of\ Sulfuric\ acid= 2\ mol$

According to the given reaction:

$2NaOH+H_2SO_4\rightarrow Na_2SO_4+2H_2O$

1 mole of sulfuric acid reacts with 2 moles of NaOH

So,

2 moles of sulfuric acid reacts with 2*2 moles of NaOH

Moles of NaOH must react = 4 moles

Molar mass of NaOH = 40 g/mol

<u>Mass = Moles*molar mass = $4\times 40\ g$ = 160 g</u>

7 0

3 years ago

Question 2

sasho [114]

I’m pretty sure the answer would be

24.6078
Hopefully that helps

5 0

3 years ago