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3 years ago

What is a low mass star

2 answers:

4 0

Are the smallest,coolest and dimmest main sequence stars and are orange, red in coulor, low mass stars use up their hydrogen fuel very slowly and consequently have long lives.

Thepotemich [5.8K]3 years ago

3 0

A low mass star our stars with masses less than half the mass of the sun. They are the smallest coolest and dimmest main sequence stars and their orange red or brown in color

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A sample of a compound that contains only the elements c, h, and n is completely burned in o2 to produce 44. 0 g of co2, 45. 0 g

Elan Coil [88]

Answer:

B. CH₅N

Explanation:

The combustion reaction of a compound CₐHₓNₙ with O₂ is:

CₐHₓNₙ + O₂ → a CO₂ + X/2 H₂O + n NO₂

Where 1 mole of CₐHₓNₙ with an excess of O₂ produce a moles of CO₂, X/2 moles of H₂O and n moles of NO₂

Thus, you need to convert the mass of CO₂ and H₂O to moles to find the C:H ratio and determine a possible empirical formula thus:

Moles CO₂ (Molar mass 44g/mol):

44g ₓ (1mol / 44g) = 1 mole CO₂ = 1 mole C

Mole of H₂O (Molar mass 18g/mol):

45g ₓ (1 mol / 18g) = 2.5 moles H₂O = 5 moles H

Thus, in the compound you have 5 moles of H per mole of C, and a possible empirical formula is:

B. CH₅N

The only structure that meet this C:H ratio

8 0

3 years ago

The grace period to start repaying a Perkins Loan is _____ after leaving school.

Nonamiya [84]

You have six months to begin repayment on Stafford loans after graduation, or after you leave school or drop below half-time enrollment.

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3 years ago

A company purchased manufacturing equipment 5 years ago for $50,000. book value is currently $5,000 and the remaining useful lif

GalinKa [24]

Since purchasing new gear will reduce cash flow by $5,000, the corporation should keep its old equipment, and the calculation can be defined as follows:

<h3 /><h3>Calculating the Total decrease in net income:</h3>

The following are the costs if the company keeps the old equipment:

$\to$ $30,000 x 3 years = $90,000 So, the total cost is $90,000.

The following are the costs if the company purchases new equipment:

Calculating the equipment cost that is

$\to$ $75,000 - $10,000 = $65,000.

$\to$ $10,000 x 3 years = $30,000. So, the total cost is $95,000.

Find out more about the total decrease in net income here: here:brainly.com/question/10955397

5 0

2 years ago

Read 2 more answers

The upper limit of the zone of saturation is known as

svetoff [14.1K]

It is known as the water table.

8 0

2 years ago

prior to departure on an overseas assignment, employees should receive language and cross-cultural training. for alex’s training

hammer [34]

The training programme which Alex was subjected to where he will carry out a tentative practice prior to his actual schedule is called Field Simulation.

Field simulation training are usually carried out prior to the performance of an actual activity or programme.

The Field simulation training is usually embarked upon in other to prepare employees and sharpen their skills and preparedness using a tentative practice such as that embarked upon by Alex in Chinatown.

Flaws, challenges and experience are all accrued during field simulation programs and worked upon before the actual exercise.

Therefore, the training embarked upon by Alex is called Field Simulation training.

Learn more :brainly.com/question/24879875

4 0

3 years ago