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Eddi Din [679]
3 years ago
7

Czemu mosiądz czerwony jest bardziej miekki niż żółty​

Chemistry
1 answer:
Gre4nikov [31]3 years ago
7 0
??? Whqjjwwjjsjejaooaka
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Element: calcium symbol: Ca Atomic weight: g Mass of one mole: g/mol
Elena-2011 [213]

153g/mols I think this is the answer but not 100% sure.


6 0
3 years ago
you rent a car in Germany with a gas mileage rating of 12.8km/L. What is its rating in miles per gallon?
Oksi-84 [34.3K]

so one liter is about 2. something gallons so at 12.8 km/l you would get about 30 mpg which is insane but yeah

4 0
4 years ago
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The shadow zone exists because ?
lana66690 [7]
At almost the opposite point on the Earth's surface, the "P" waves reappear. The shadow zone exists because the waves are refracted as they pass through the boundary between the mantle and the core and are diverted from their original paths.
6 0
3 years ago
How many moles of butane (C4H10) must be burned in an excess of O2 to produce
Sedbober [7]

Answer: 6,25 moles

Explanation: mark amount of butane x.

From equation you can calculate x in a following way:

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4 0
3 years ago
Convert 1176 mmHg to kPa
OLEGan [10]

Answer:

 156.8kPa

Explanation:

The problem here is to convert mmHg to kPa;

We have been given:

            1176mmHg and the problem is to convert to kPa;

  1000Pa = 1kPa

               1 mmHg  =  133.322Pa

               1176mmHg will give  1176 x 133.322  = 156787.1Pa

To kPa;

             156.8kPa

8 0
3 years ago
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