(b)State what is meant by the terms(i) element,(substance that) cannot be split up/ broken down into (two or more) simpler substances by chemical means1...OR(substance) made of atoms with the same atomic number/ number of protons/ proton number.on number... [1](ii) compound,(two...
(c) (1) What is meant by the term isotopes?相关知识点: 试题来源: 解析 Isotopes are variants of a particular chemical element which differ in neutron number. 同位素是指具有相同原子序数(即质子数相同)但中子数不同的同一元素的不同原子。由于质子数相同,同位素具有相同的化学性质,但由于中子数不同,...
what is the expression for the equilibrium constant for N2 + 3 H2-- 2NH3 What is the equilibrium constant expression for the reaction below? 2 H 2 S ( g ) 2 H 2 ( g ) + S 2 ( g ) What is the equilibrium constant of the reaction 2NO_2(g) with 3.0 M and N_2O_4 with ...
Step by step video & image solution for What is meant by irreversible and reversible reactions? Give two examples each. by Chemistry experts to help you in doubts & scoring excellent marks in Class 11 exams. Updated on:21/07/2023 Class 11CHEMISTRYEQUILIBRIUM ...
This iswhat is meant bythinking in terms of the majority. 这就是照顾多数的观点. 互联网 I am not even certainwhat is meant byplacental fluid. 我甚至不确定“胎液”到底指的是什么. 互联网 First,what is meant byanguish? 首先, 痛苦是什么意思?
5 (a) State what is meant by the specific heat capacity of a substance.[2](b) A student carries out an experiment to find the specific heat capacity of aluminium. He uses an electric heater and a thermometer, inserted into separate holes in an aluminium block.The following dat a are o...
6 (a)What is meant by the term transgenic organism?(2)1. contains gene /DNA /allele /genetic material;2. from a different species;(b)(i) Give an example of a current or potential use of a transgenic animal.(1)1. producing (human) organs;2. named animal making antibodies /proteins ...
What is meant by static equilibrium? Equilibrium of a Body: Equilibrium of a body is a state in which all the forces acting on the body are balanced, or we can say that the net force acting on the body is zero. According to Newton's second law of motion, If the resultant force acti...
mean 意味着,意思是 be meant 这里是个被动语态,一般会出现在问题中 : by 后可接名词性结构What do you mean by ...是你不明白对方为何要做某事或为何这样说,询问意思或意图的句型,比如说 what do you mean by beauty?望采纳 谢谢 ...
What is meant by the term chemical equilibrium? Define equilibrium. How is equilibrium denoted in a written chemical equation? What chemical reaction is described by this equilibrium expression? [ C a ] 2 [ O 2 ] [ C a O ] 2 What is a dynamic equilibrium in chemistry?