Magnesium oxide (chemical formula: MgO) is a compound composed of magnesium and oxygen elements. Relative molecular mass is the ratio of the mass of a substance molecule to the mass of carbon-12 isotope. It can be used to describe the size of the Magnesium oxide molecule's mass. What ...
In the formula ρ = m/V, what does “ρ” indicate? A. mass B. volume C. density D. force 相关知识点: 试题来源: 解析 C。本题考查物理公式中符号的含义。在公式 ρ = m/V 中,ρ 代表密度(density)。A 选项 mass 是质量;B 选项 volume 是体积;D 选项 force 是力。反馈 收藏 ...
The relative molecular mass of this compound is 168, so what is its molecular formula? View Solution The molecules of alkene family are represented by a general formulaCnH2n. What is the molecular formula of the first member of the alkene family?
To find the ratio of empirical formula mass to molecular formula mass of benzene, we will follow these steps:Step 1: Identify the Molecular Formula of Benzene The molecular formula of benzene is \( C6H6 \).Step 2
What is the empirical formula of a compound that contains 49.4 % K, 20.3 % S, and 30.3 % O by mass? A.KSO2 B.KSO3 C.K2SO4 D.K2SO3 E.KSO4 点击查看答案 你可能感兴趣的试题 突出煤层采煤工作面进风巷、掘进工作面进风的分风口必须设置();当发生风流逆转时,发出声光报警信号。 点击查看...
What does the formula F = ma represent? A. Force is equal to mass times acceleration. B. Force is equal to acceleration divided by mass. C. Force is equal to mass divided by acceleration. D. Force is E. qual to the square of acceleration times mass. ...
If a 5.4 g piece of iron is heated from 25C to 75C using 128.8 J of energy, what is the specific heat capacity of iron in J/g C? What tool is used to measure mass? How to convert mm to cm with a formula What is the density in g/mL of a sphere wit...
Formula Unit Mass & Molecular Mass Unit | Calculation & Examples from Chapter 1 / Lesson 19 50K Learn about molecular mass. Understand what the formula unit mass is, how to find molecular mass, and exercise calculating molecu...
In fluent, to set up that wall boundary, there is also the species tap to let us to fill out the mass fraction, so I put mass fraction=1, because there is only one species on that boundary. Therefore, how can I calculate the mass flux of that species [kg/m²s] ...
The gram molecular mass of chlorine is 35.453 g/mol.Since this is a decimal value, there must be multiple isotopes of chlorine. Rounding this average... Learn more about this topic: Molar Mass | Definition, Formula & Examples from