A sample of hydrogen gas was collected over water. If the total pressure was 50.5 kPa, what would be the pressure of the dry gas alone if you
know that the pressure of water vapor is 2.8 KPa?*
87.6
O 53.3
O 47.7
O 141.4

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Select the correct answer a modure consists of glucose and water. what is the percent composition of glucose in the mixture if it contains 1.3 moles of glucose (cho total mass of the mature is 276 grams? ) and the a 1775

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?