The volume of a sample of gas is 2.8 L when the pressure is 749.5 mm Hg and the temperature is 31.2 C. What is the new temperature in degrees Celsius if the volume increases to 4,3 L and the pressure increases to 776.2 mm Hg?
A. 280C
B.120C
C.480C
D.210C

In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding.i