Im a freshman in highschool pls how many hydrogen and oxygen are in 1 molecule of h2o2 hydrogen peroxide 2) how many atoms of aluminum sulfur and oxygen are in 1 molecule of aluminum sulfate al2(so4)3 3) how many atoms of hydrogen and oxygen are in 2 molecules of water 4) how many atoms of hydrogen and oxygen are in 8 molecules of hydrogen peroxide5) how many atoms of aluminum sulfur and oxygen are in 3 molecules of aluminum spare 6) how would you indicate 2 water molecules using chemical symbols 7) using complete sentences explain the difference between the chemical formulas shown 4 h2o and h8o4

A3.9 g aluminum foil ball with a charge of +4.1×10−9 c is suspended on a string in a uniform horizontal e⃗ field. the string deviates to the right and makes an angle of 30∘ with the vertical. part a part complete what information about the e⃗ field can you determine for this situation? what information about the field can you determine for this situation? only the magnitude of e⃗ only the direction of e⃗ both the magnitude and the direction of e⃗ none of the above previous answers correct part b determine the magnitude of the electric field. express your answer with the appropriate units. e e = nothing nothing request answer part c determine the direction of the electric field. determine the direction of the electric field. to the right to the left away from you toward you

Sobre transformações cíclicas, são feitas algumas afirmações, determine quais estão corretas. i – a variação de energia interna em uma transformação cíclica é nula; ii – o trabalho, em uma transformação cíclica, é sempre positivo; iii – ao completar um ciclo, o gás tem a mesma temperatura com a qual começou a transformação; iv – uma transformação cíclica é, obrigatoriamente, composta de transformações conhecidas, como adiabática, isocórica, etc: a) i e iii b) i e ii c) ii e iii d) i e iv e) iii e iv

Which form of cell division creates the sperm and egg, resulting in half of the chromosomes as the other cells?