Calculate the volume of 1.0 x 10-4 m cv+ solution that needs to be added to a 25.0 ml volumetric flask and diluted with deionized (di) water in order to prepare a calibration standard solution with a concentration of 1.0 x 10-5 m cv+. as part of your preparation for performing this experiment, repeat this calculation for each of the calibration standards you will need to prepare in part i a of the experiment and record the information in your lab notebook so that you have it ready during the lab session. also calculate the volume of 1.0 x 10-4 m cv+ solution required to prepare 10 ml of 3.0 x 10-5 m cv+ solution to be used in part ii b of the experiment and record the information in your lab notebook. 2.5 milliliters 250 microliters 25 microliters 2.5 microliters none of the above

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created or , but it can be

What is the relationship between atmospheric pressure and the density of gas particles in an area of increasing pressure? (2 points) as air pressure in an area increases, the density of the gas particles in that area decreases. as air pressure in an area increases, the density of the gas particles in that area increases. as air pressure in an area increases, the density of the gas particles in that area remains constant. as air pressure in an area increases, the density of the gas particles in that area increases and decreases in an alternating pattern. 3. which of the following correctly describes a way in which earth's atmosphere interacts with the geosphere? (2 points) it contains gases that living organisms breathe. it contains gases that trap incoming solar radiation. it provides a medium for cycles that provide nutrients to living organisms. it provides a medium for water to move between earth's surface and the air. 4. which of the following is considered a drawback to using wind energy as a source of power? (2 points) wind energy is nonrenewable. wind energy produces large amounts of air pollution. wind turbines can kill birds that fly through the rotors. wind turbines are built too close to major population centers. 5. a meteorologist predicts that the weather in a region will soon change from clear skies to probable thunderstorms. prior to making this prediction, what did the meteorologist most likely observe on a barometer? (2 points) the barometer fell slightly. the barometer fell substantially. the barometer rose slightly. the barometer rose substantially. 6. which of the following do meteorologists not typically use weather balloons to record? (2 points) atmospheric pressure cloud types humidity temperature 7. during which step in the can crush lab did water vapor force air from the can? (2 points) the can was filled nearly to the top with water. the can was placed on the hot stove top burner for several minutes. the can was removed from the hot stove top burner. the can was placed upside-down in the water-filled pan.

What is the final velocity of the initial velocity of 25 and -50?