which of the following colors is highly variable and can be either cool or slightly warm depending on how it's used? a) gold b) orange c) violet d) blue

Why is the bond angle in a water molecule less than the bond angle of methane

Air trapped in a cylinder fitted with a piston occupies 145 mL at 1.08 atm pressure. What is the new pressure of air when the volume is decreased to 111 L?

Which should be done when gathering questioned documents for handwriting analysis? Choose all answers that are correct. A. Store the questioned document in paper bags. B Handle the documents frequently. C Gather exemplars from potential suspects.

1. Which of these items wastes sound energy? -car radio -alarm clock -washing machine -smartphone

in the combustion of hydrogen gas, hydrogen reacts with oxygen from the air to form water vapor. if you brun 31.0 g of hydrogen and produce 277 g of water, how much oxygen reacted?

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda