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gregori [183]
3 years ago
9

Are there more bones in the arm than in the leg?

Chemistry
2 answers:
hodyreva [135]3 years ago
6 0
They have the same amount but if you count the wrist it was more then the leg and ankle.
Molodets [167]3 years ago
5 0
There's the same amount of bones in both the arm and the leg.  But if you start talking about the arm with the hand included and the leg with the foot included, it will get more complicated because there's more bones in the wrist than the ankle.
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Steam initially at 0.3 MPa, 2500 C is cooled at constant volume. (a) At what temperature will steam become saturated vapour? [12
AlladinOne [14]

Answer:

a. 123.9°C

b.

c.

Explanation:

Hello, I'm attaching a picture with the numerical development of this exercise.

a. Since the steam is overheated vapour, the specific volume is gotten from the corresponding table. Then, as it became a saturated vapour, we look for the interval in which the same volume of state 1 is, then we interpolate and get the temperature.

b. Now, at 80°C, since it is about a rigid tank (constant volume for every thermodynamic process), the specific volume of the mixture is 0.79645 m^3/kg as well, so the specific volume for the liquid and the vapour are taken into account to get the quality of 0.234.

c. Now,since this is an isocoric process, the heat transfer per kg of steam is computed as the difference in the internal energy, considering the initial condition (showed in a. part) and the final one computed here.

** The thermodynamic data were obtained from Cengel's thermodynamics book 7th edition.

Best regards.

5 0
3 years ago
What does resonance result in?
Tcecarenko [31]

louder sounds

Explanation:

Resonance results in louder sounds.

Resonance is a phenomenon that produces a large vibration as a result of smaller vibration that causes the resonating body to vibrate at its own natural frequency.

Resonance results in sound amplification and causes louder sounds. Increasing vibration results in the production of a louder sound.

Learn more:

Resonance in chemistry brainly.com/question/9422880

#learnwithBrainly

3 0
3 years ago
Calculate the molality of a solution prepared by dissolving 175 g of KNO3 in 750 g of water. (round to nearest hundreth)
Wittaler [7]
We will get the molality from this formula:
Molality = no.of moles of solute / Kg of solvent 

So first we need the no.of moles of KNO3 = the mass of KNO3 / molar mass of KNO3
no.of moles of KNO3 = 175 / 101.01 = 1.73 mol
By substitution in the molality formula:
∴ molality = 1.73 / (750/1000) = 2.3 Molal

6 0
3 years ago
Read 2 more answers
Substances like neon , which is a gas at room temperature and pressure, can often be liquified or solidified only at very low te
marshall27 [118]

Answer:

Condenses at 27.25K.

Freezes at 24.65K.

Explanation:

In order to solve this above question, there is is need to make use of the following equation. The main idea here is to convert degree celsius to Kelvin. Hence,

0°C + 273.15 = 273.15K---------------------(1).

Therefore, we will make use of the above equation (1) and slot in the values for at degree celsius at which it condenses and at degree celsius at which it freezes.

So, we have at temperature at which it condenses:

-245.9°C + 273.15 = 27.25K.

Also, we have at temperature at which it freezes.

-248.5°C + 273.15 = 24.65K.

8 0
2 years ago
What would the name of a compound composed of nickel, sulfur, and oxygen be? A. Nickel sulfur oxide B. Nickel sulfate C. Nickel
dexar [7]

Answer:

The answer to your question is:  B. Nickel Sulfate

Explanation:

A. Nickel sulfur oxide  this compound do not exist, this option is incorrect.    

B. Nickel sulfate  This compund exist and the formula is NiSO₄

C. Nickel oxygen sulfide  This compound do not exist, the order of the names is inocrrect.

D. None of these This option is incorrect because because letter B is correct.

3 0
3 years ago
Read 2 more answers
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