When using the ideal gas constant value, r = 0.0821, in an ideal gas law calculation, the units of temperature may be expressed as degrees celsius or kelvin.

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Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

What is the main reason why some developing countries fear the increase the free trade policies around the world?