Science students are planning an investigation to collect data that they 1 point can use to predict the weather. The students decide to do an experiment
with condensation. Their goal is to see how much humidity, or moisture, is
in the air each day, which will allow them to predict if it will rain. To set up
their investigation, they need a thermometer, a tin can, water, and ice
cubes. They perform the experiment outside, placing water in the can,
along with the thermometer. The water and the can start out at the same
temperature as the air, but the students watch the water and can
temperature decrease as they add ice cubes into the can

What are the percent by mass of copper in penny lab

Consider three unlabeled bottles, each contain small pieces of one of the following metals. - magnesium - sodium - silver the following reagents are used for identifying the metals. - pure water - a solution of 1.0 molar hcl - a solution of concentrated hno3 (a) which metal can be easily identified because it is much softer than the other two? describe a chemical test that distinguishes this metal from the other two, using only one of the reagents above. write a balanced chemical equation for the reaction that occurs. (b) one of the other two metals reacts readily with the hcl solution. identify the metal and write the balanced chemical equation for the reaction that occurs when this metal is added to the hcl solution. use the table of standard reduction potentials (attached) to account for the fact that this metal reacts with hcl while the other does not. (c) the one remaining metal reacts with the concentrated hno3 solution. write a balanced chemical equation for the reaction that occurs. (d) the solution obtained in (c) is diluted and a few drops of 1 m hcl is added. describe what would be observed. write a balanced chemical equation for the reaction that occurs.

In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?