All elements exist in one of three states - solid, liquid, or gas The standard state is defined at 25 degrees Celcius The state of an element is dependant on its temperatureAnswer and Explanation: Become a member and unlock all Study Answers Start today. Try it now Create an account ...
What is the state of water at room temperature? A. solid B. liquid C. gas D. plasma 相关知识点: 试题来源: 解析 B。在室温下,水是液态。水在 0 摄氏度以下是固态;100 摄氏度以上是气态;通常情况下不是等离子态。本题考查物质的状态。
7 At room temperature and pressure, H2O is a liquid and H2S is a gas.What is the reason for this difference?C A O has higher first and second ionisation energies than S. B The covalent bond between O and H is stronger than the covalent bond between S and H. C There is significant...
What is hydrogen's state of matter at room temperature? Which gaseous element comprises the greatest percentage of the air that we breathe? What is the difference between a gas and a liquid? What chemical element has the lowest boiling point?
Hint:To solve the given question we will learn what does vacuum and temperature mean and then we will proceed to answer the question.A vacuum is a small area of space in which nothing exists. A vacuum is a room that has no objects in it.Complete answer:The temperature in a vacuum must...
Do not enter the MRI room with anything metal. Metal may cause serious injury. Tell the provider if you have any metal in or on your body. An endoscopy may be done to check your digestive system. An endoscope is a long, flexible tube with a light and tiny camera on the end. The ...
It is a valve operation noise that supplies refrigerant to a part where cooling is required for maintaining a precise temperature in every room. (E.g. the same principle as gas valve adjustment for fire control.) How to prevent noise Make sure the refrigerator is level. - Level ...
Finite element analysis (FEA) Understanding the impact of physical forces on an object in an environment requires complex mathematical equations. Examples like a crash test dummy in a car impact or an aircraft wing in a wind tunnel produce staggering amounts of data. ...
element, such as hydrogen (H2), nitrogen (N2), oxygen (O2) or chlorine (Cl2). However, transitioning between states is common to most matter. At a certain temperature, a substance moves from one state to another, becoming solid at lower temperatures and becoming gaseous at higher ...
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