Part 1 - What do you know about HEAT? Directions: Read each statement and then respond in each box with TRUE or FALSE 1. When I touch a cold ice cube with my warm hand, my hand will get colder because h travels from hot to cold 2. A warm cup of hot chocolate will take heat from my cold hands 3. My hat keeps my head warm because it traps the heat from my head, Part 2 - What is the difference between an OPEN or CLOSED SYSTEM? Directions: Underneath each picture. label whether the system in OPEN or CLOSED

Listen base your answer to the question on the information below.propane is a fuel that is sold in rigid, pressurized cylinders. most of the propane in a cylinder is liquid, with gas in the space above the liquid level. when propane is released from the cylinder, the propane leaves the cylinder as a gas. propane gas is used as a fuel by mixing it with oxygen in the air and igniting the mixture, as represented by the balanced equation below.c3h8(g) + 5o2(g) → 3co2(g) + 4h2o() + 2219.2 kja small amount of methanethiol, which has a distinct odor, is added to the propane to consumers detect a propane leak. in methanethiol, the odor is caused by the thiol functional group (–sh). methanethiol, ch3sh, has a structure that is very similar to the structure of methanol.what is the correct structural formula for a molecule of methanethiol

Which other elements contain the same number of outer electrons as sodium

Draw metallic bonding if two copper