During a reaction, the enthalpy of the reactants and the products are not equal. What does this result in?

A. None of these
B. Absorption or release of energy
C. Change in chemical composition
D. Spin of electrons is reversed

Transitions should not be used: A. to connect steps of a process.B. at the beginning of your clincher sentence.C. to connect important ideas.D. in the second sentence of every paragraph. These waves are often used as a means to transfer digital information such as a text message or website. A)InfraredB)UltravioletC)RadioD)Visible Light Which sentence is correct? A. The contest received over two hundred essays three were judged to be good enough for publication. B. The contest received over two hundred essays, three were judged to be good enough for publication. C. The contest received over two hundred essays unfortunately only three were judged to be good enough, for publication. D. The contest received over two hundred essays; three were judged to be good enough for publication. Bill and Pete shared 1/2 of a cake. Bill got to eat twice as much cake as Pete. What fraction of the whole cake did Bill eat? Prove the Triangle Proportinality Theorem HELP ME ASAP!!!!!! WHO EVER ANSWER THIS BE MARKED BRAINLIST AND READ THE QUESTION CAREFULLY The southern part of Africa, as shown on this map, is called __________. What is the image of (-4,12) after a dilation by a scale factor of 1/4 centered at the origin if 5800 people buy something that's 0.25 cents how much money would be made C. Courtney got a remote control car for her birthday. It is a metallicpurple with chrome wheels that are 1 1/2 inches in diameter. She said toher friend, Dylan, My remote control car goes faster than my mom'scar on the freeway. No way, said Dylan. Courtney said, I will prove it toyou. Courtney measured off a distance of 115 inches. Dylan said, Okay, Iwill time how long it takes your car to travel that distance. I have a stopwatchfeature on my watch. Courtney raced her remote control car over the115-inch distance. Dylan said, Wow, that only took 3.21 seconds. That seemsreally fast. See, I told you, said Courtney. But really how fast is it going?answered Dylan. Determine the speed of Courtney's remote control car andcompare its speed to that of a regular car traveling on the freeway. Explainhow you found your solution. Why might the manufacturer get away withadvertising that the remote control car Travels Faster Than Life?please help!!!! Hctor tiene un ________ saludable. Qu parte del cuerpo es?A) corazn B) pecho C) cuello D) hombro Balance the combustion reaction between propane and oxygen. C H + O CO + H O Who encouraged alexander the great to study philosophy and science the skeletal system serves all the following functions except Pls help me with this we need one question to help Two workers are sliding 330 kg crate across the floor. One worker pushes forward on the crate with a force of 430 N while the other pulls in the same direction with a force of 330 N using a rope connected to the crate. Both forces are horizontal, and the crate slides with a constant speed. What is the crate's coefficient of kinetic friction on the floor? Florian ran 1.2 miles and walked 4.8 laps around the path at the park for a total distance of 3.6 miles. Which shows the correct equation and value of x, the distance of 1 lap around the path at the park? 3.6 x + 1.2 = 4.8; x = 1 mile 4.8 x + 1.2 = 3.6; x = 1 mile 3.6 x + 1.2 = 4.8; x = 0.5 mile 4.8 x + 1.2 = 3.6; x = 0.5 mile Whats the answer I need help plssssssssss Find the surface area of the prism. PLZ HELP Whats the vertex y=-1/2(x+3)^2-1