Ethylene c2h2 reacts with oxygen according to the equation below. what volume of oxygen (in dm3) reacts with 0.40 dm3 of c2h2 ?
2c2h2 (g) 5o2 (g) → 4 co2 (g) 2h2o(g) ? (1) 0.4 (3) 0.80(2) 1.0 (4) 2.0

Will give brainliest it is a lab from k12 here is the linkfor each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. type your answer here. (score for question 3: of 5 points) were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. type your answer here. (score for question 4: of 5 points) make a general statement about the reactivity of the metals in this experiment. type your answer here.

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles

4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has: