Given the equation 2Mg + O2 --> 2MgO, how many moles of MgO are produced for every mole of O2 used up? In the acetylene torch, acetylene gas (C_2H_2) burns in oxygen to produce carbon dioxide and water. 2C_2H_2(g)+5O_2(g) \to 4CO_2(g)+2H_2O(g) How ma...
百度试题 结果1 题目 How many molecules of CO2 are produced per mole of acetyl CoA in TCA cycle? A. 2 B. 0 C. 4 D. 3 E. 1 相关知识点: 试题来源: 解析 a 反馈 收藏
How many moles are in 16.48 g Mg? Answer in units of mole. Molar Mass: One mole is defined as {eq}\displaystyle 6.022\ \times\ 10^{23} {/eq} atoms or molecules. Now since one atom or molecule has a unique mass due to the atomic model, each measurement of one mole will have a...
To do this, look up atomic masses on the periodic table and use the formula mass to know how many atoms of each element are in a compound. Remember, subscripts in a formula indicate number of atoms. If there is no subscript, it means there is only one atom of that element in the fo...
百度试题 结果1 题目In one mole of a solution with a mole fraction of 0.5 water, how many water molecules would there be? A. 0.5NA B. 1.0NA C. 0.25NA D. 2.0NA 相关知识点: 试题来源: 解析 A
After the revision of the International System of Units (SI), the mole (the SI unit of amount of substance) is based on a fixed number of specified entities. This number is the fixed numerical value of the Avogadro constant N-A. Experiments for the practical realization of the mole on a...
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 involv...
Spotted hyenas are an exception in the animal kingdom not only due to female dominance over males, but also because of the strict female linear hierarchy which determines priority of access to resources and produces considerable female reproductive skew.
of the soluble protein molecules to shift into a misfolded ensemble with decreased activity. Many other examples of this phenomenon exist. The ability of soluble FREQUENCY (FRQ) protein to bind to its partner protein ‘White Collar-2’ (WC-2) was decreased by half when a synonymous variant ...
How many atoms are in one mole of carbon? Mole: A mole is a unit to count atoms or molecules. When we have a mole, we are counting one Avogadro's worth(NA=6.022×1023)of these atoms or molecules. The mole is an important quantity because it is also considered as a state function,...