5. A gas occupies 2000. Lat 100.0 K and exerts a pressure of 100.0 kPa. What volume will
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Chemistry, 22.05.2020 02:07 OliviaParis8837
5. A gas occupies 2000. Lat 100.0 K and exerts a pressure of 100.0 kPa. What volume will
the gas occupy if the temperature is increased to 400. K and the pressure is increased to
200. kPa?
Answers: 2
Chemistry, 21.06.2019 23:00
At room temperature what happens to the average kinetic energy of the molecules of a solid, liquid, and a gas
Answers: 2
Chemistry, 22.06.2019 14:00
The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.
Answers: 3
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When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?
Answers: 1
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