百度试题 题目How many types of oxygen molecules makes up ozone?相关知识点: 试题来源: 解析 3 反馈 收藏
How many moles of O2 are required to produce 46.0 grams of NO2? 2NO(g) + O2(g) arrow 2NO2(g) a. 8.00 moles b. 1.00 moles c. 0.500 moles d. 0.250 moles How many molecules (not moles) of NH3 are produced from 2.73 x 10-4 moles of H2? N...
How many moles of carbon dioxide are produced when 3.00 mol of oxygen react completely in the following equation? C_3H_8 + 5 O_2 rightarrow 3 CO_2 + 4 H_2O How many moles of oxygen are required to completely combust 1.27 moles of propane, C3H8? Find the number of mol...
How are large molecules transported across a cell membrane? How many cell membranes does a molecule of breathed in oxygen need to pass through to bind with hemoglobin? What organelles inside a cell have membranes with many convolutions? What kinds of molecules cannot pass easily through a cell ...
How many kilojoules of energy are released from the carbon carbon single bonds when glucose ({eq}C_6H_{12}O_6 {/eq}) is burned? Combustion Reaction In determining the energy released in a combustion reaction, it is best to draw the molecules invol...
D. Many years later.47. Scientists figured out that human bodies are basically made of . A. amino acids B. moleculesC. hydrogen, carbon, nitrogen and oxygen atomsD. water vapor, ammonia, carbon dioxide, methane and hydrogen48. Harold Urey and Stanley L.Miller did their experiment in order...
百度试题 题目 For each pair of electrons passing from FADH2 to oxygen, how many ATP molecules can be generated? A. 1 B. 2 C. 3 D. 4 E. 5 相关知识点: 试题来源: 解析 B.2 反馈 收藏
To calculate the number ofmoleculesand atoms in a water drop, you need to know the chemical formula of water. There are two atoms of hydrogen and one atom of oxygen in each water molecule, making the formula H2O. So, each molecule of water contains 3 atoms. ...
For many years, scientists couldn’t figure out how atoms and molecules combined to make living things. Plants, fish, dinosaurs, and people are made of atoms and molecules, but they are put together in a more complicated way than the molecules in the primitive ocean. What’s more, living ...
they are the same element. There are about 117 elements have been found or synthesized. Molecules : A molecule is a group of atoms and this group of atoms can exist in nature or under certain conditions. For example 2 hydrogen atoms and 1 oxygen atom group together to form a ...