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3 years ago

Identify the type of star that goes through these steps in their life cycles.

SAT

2 answers:

hram777 [196]3 years ago

7 0

Sun can be formed in prostar, black hole, white dwarf, red gaint star and main sequence star

Ilia_Sergeevich [38]3 years ago

5 0

Answer:

1. Both low and high

2. high mass

3. low mass

4. low mass

5. both low and high

Explanation:

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Need to know length of x

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If 50. 0 g of ch₃oh (mm = 32. 04 g/mol) are added to a 500. 0 ml volumetric flask, and water is added to fill the flask, what is

Elza [17]

Taking into account the definition of molarity, the concentration of CH₃OH in the solution is 3.12 $\frac{moles}{liters}$ .

<h3>Definition of molarity</h3>

Molar concentration or molarity is a measure of the concentration of a solute in a solution and indicates the number of moles of solute that are dissolved in a given volume.

The molarity of a solution is calculated by dividing the moles of solute by the volume of the solution:

$Molarity=\frac{number of moles}{volume}$

Molarity is expressed in units $\frac{moles}{liters}$ .

<h3>Concentration of CH₃OH</h3>

In this case, you know:

number of moles= 50 g× $\frac{1 mole}{32.04 g}$ = 1.56 moles, being 32.04 $\frac{g}{mole}$ the molar mass of CH₃OH
volume= 500 mL= 0.5 L (being 1000 mL= 1 L)

Replacing in the definition of molarity:

$Molarity=\frac{1.56 moles}{0.500 L}$

Solving:

<u><em>Molarity= 3.12 </em></u> $\frac{moles}{liters}$

Finally, the concentration of CH₃OH in the solution is 3.12 $\frac{moles}{liters}$ .

Learn more about molarity:

<u>brainly.com/question/9324116</u>

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2 years ago

Which of the following are not properties of proteins?.

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3 years ago

The Securities and Exchange Commission is responsible for ______.

puteri [66]

The Securities and Exchange Commission is responsible for regulating the securities markets and protecting investors.

<h3>What is the function of Securities and Exchange Commission?</h3>

The Securities and Exchange Commission is an agency that was established in the united states that is responsible for the regulation of those that are involves in the securities markets.

Hence, The Securities and Exchange Commission is responsible for regulating the securities markets and protecting investors

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2 years ago