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pochemuha
3 years ago
11

A welding tank of oxygen gas has a volume of 100. L. The oxygen in the tank is at a pressure of 95 atm and a temperature of 30.

°C. What is the mass of oxygen gas in the tank?
Please show work! I am having trouble understanding this so I'd love to see how to do it
Chemistry
1 answer:
Anuta_ua [19.1K]3 years ago
5 0

Answer:

blah blah blah blah blah blah blah blah blah blah blah

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URGENT HELP PLEASE balance equation !20 points!
yKpoI14uk [10]
Au^2S^3+ 3H^2 = 2Au + 3H^2S
5 0
3 years ago
Which causes an air conditioner to turn on
vfiekz [6]

Answer:

C.)house temperature increases cause the bimetallic coil to expand

Explanation:

A bimetallic strip is used in an air conditioner as a regulator. It is made up of two metals that behaves differently to a change in temperature.

To turn on the air conditoner, the circuit must be complete. When the temperature is high in a room, bimetallic strip responds by expanding and bending to complete the circuit. This puts on the air conditioner and the house begins to cool through exchange of warm and cold air.

When the temperature is too cold, the strip contracts and straightens. This process disconnects the circuit and the air conditioning system ceases to work.

3 0
2 years ago
Read 2 more answers
You place 12.0 milliliters of water in a graduated cylinder. Then you add 15.0 grams of metal to the water and the new water lev
Marrrta [24]

Answer:

<h3>The answer is 7.85 g/mL</h3>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}  \\

volume = final volume of water - initial volume of water

volume = 13.91 - 12 = 1.91 mL

We have

density =  \frac{15}{1.91}  \\  = 7.853403141...

We have the final answer as

<h3>7.85 g/mL</h3>

Hope this helps you

8 0
3 years ago
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Write the reaction that occurs when propyl methanoate is hydrolyzed in water and in NaOH
Free_Kalibri [48]

An ester , propyl methanoate ( HCOOC₃H₇) when reacts with sodium hydroxide( NaOH) forms sodium methanoate (HCOONa) as the main product and propanol (C₃H₇OH).

The reaction is as follows:

HCOOC₃H₇+NaOH ⇒HCOONa + C₃H₇OH

So when propyl methanoate is hydrolyzed in water and in NaOH then sodium methanoate (HCOONa) as the main product and propanol (C₃H₇OH) forms

5 0
3 years ago
Which area of chemistry best links the use of titanium and plastics in artificial bone and joint replacements?
kogti [31]

Answer:I think it’s material chemistry

Explanation:

8 0
3 years ago
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