⚠️EMERGENCY⚠️ Which statement best describes the composition of potassium chlorate, KCIO3? •Potassium chlorate is composed of four elements
•Potassium chlorate is composed of five elements
•The proportion by mass of elements combined in potassium chlorate varies
•The proportion by mass of elements combined in potassium chlorate is fixed

An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. but she does have devices to measure distance and time accurately. she knows her own mass is 77.4 kg , but she is unsure of the mass of a large gas canister in the airless rocket. when this canister is approaching her at 3.50 m/s , she pushes against it, which slows it down to 1.30 m/s (but does not reverse it) and gives her a speed of 2.60 m/s . what is the mass of the canister?

Which of the following is the best name for mgcl2

A4.0-cm tall light bulb is placed a distance of 32.0 cm from a concave mirror having a focal length of 16.0 cm. determine the image distance