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3 years ago

Whats the difference between conduction, convection, radiation, biosphere, and geosphere

1 answer:

8 0

Convection is when heat and cold air go around in a circle connecting the source of air, radiation is like the suns heat beam, conduction is the transfer of any source by touching and idk what biosphere and geosphere is sorry..

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In experiment 1, how many moles of benzoic acid are present? how many moles of sodium bicarbonate are contained in 1 ml of a 10%

nexus9112 [7]

First, let us calculate the moles of solute or sodium bicarbonate is in the 1 ml solution.

<span>moles = 1 mL * (1 g / 9 mL) = 0.11 moles</span>

The molar mass of sodium bicarbonate is 84 g/mol, therefore the mass is:

mass = 0.11 moles * 84 g/mol

6 0

3 years ago

A solution was made by dissolving 5.10 mg of hemoglobin in water to give a final volume of 1.00 ml. the osmotic pressure of this

Assoli18 [71]

The molecular weight of hemoglobin can be calculated using osmotic pressure

Osmotic pressure is a colligative property and it depends on molarity as

πV = nRT

where

π = osmotic pressure

V = volume = 1mL = 0.001 L

n = moles

R = gas constant = 0.0821 L atm / mol K

T = temperature = 25°C = 25 + 273 K = 298 K

Putting values we will get value of moles

$moles=\frac{\pi V}{RT}=\frac{0.00195X0.001}{0.0821X298}mol$

we know that

$moles=\frac{mass}{molarmass}$

Therefore

$molarmass=\frac{mass}{moles}=\frac{5.10X10^{-3}g}{7.97X10^{-8}}=6.399X10^{4}g$

5 0

3 years ago

In which orbitals would the valence electrons for selenium (Se) be placed?

meriva

Answer:

Valence electrons of selenium will be placed in s and p-orbitals.

Explanation:

Hope this helps.

3 0

2 years ago

Name the process occurring at B,and explain what results from it

ad-work [718]

B comes before C in an alphabet,and after A:)

5 0

3 years ago

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Hey Sup look at my bunny

Mariulka [41]

Answer: cute my friend has a brown bunny

Explanation:

There adorable

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2 years ago

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