Is rubidium positive or negative? Rubidium and cesium are miscible in all proportions and have complete solid solubility; a melting-point minimum of 9 °C (48 °F) is reached….Rubidium. atomic number 37 melting point 38.9 °C (102 °F) boiling point 688 °C (1,270 °F) specific gravity 1.53 (at 20 °C, or 68 °F) oxidation states +1, […]
Which of the following is an example of intensive property?
Which of the following is an example of intensive property? Mass and volume are examples of extensive properties. An intensive property is a property of matter that depends only on the type of matter in a sample and not on the amount. Color, temperature, and solubility are examples of intensive properties. Which out of the […]
Is the world static?
Is the world static? Taking their name from a song on the Static Prevails album by Jimmy Eat World, the band play down-tuned melodic tunes. World Is Static were the first band to be played on the test transmission of UK-based radio station Ne1fm…. World Is Static Past members Sam Tuckett, Kevin Noon, Mark Dodds, […]
What is the most important skill in tennis?
What is the most important skill in tennis? Mental strength in the face of adversity is one of the most critical skills for all tennis players. You can have picture-perfect strokes and unparalleled athletic ability, but if you do not have self-belief, a competitive desire, and the ability to overcome adversity, you will not be […]
Does water shrink when frozen?
Does water shrink when frozen? When liquid water is cooled, it contracts like one would expect until a temperature of approximately 4 degrees Celsius is reached. After that, it expands slightly until it reaches the freezing point, and then when it freezes it expands by approximately 9%. What weighs more 1 gallon of water or […]
What do you compare your results to in an experiment?
What do you compare your results to in an experiment? A control is a set of base values against which you use to compare your experimental results/data from your experiment. What is a well tested experiment called? A scientific theory is a well-tested explanation for a wide range of observations or experimental results. Is a […]
Who constituted the middle class in the French society in the 18th century?
Who constituted the middle class in the French society in the 18th century? In the eighteenth century, many persons who belonged to third estate and earned their wealth through overseas trade and manufacturing goods, were termed as middle class. It was a new social group, which also comprised of court officials, lawyers and administrative officials. […]
What happens if I use a 50 Hz appliance in 60 Hz?
What happens if I use a 50 Hz appliance in 60 Hz? This is because impedance of 50Hz machines increases if operate in 60Hz supply which also lowers the running ampere, while if 60Hz machine run in 50Hz power system will experience increase in running ampere & overheating that will result to reduced life expectancy […]
How often should you wash fine thin hair?
How often should you wash fine thin hair? “People with fine hair should be shampooing three to four times a week, and using conditioner only one to two times a week,” he says. Oropeza also emphasizes the importance of how to condition by recommending that we always steer clear of the scalp and stick to […]
How do you know if something has potential energy?
How do you know if something has potential energy? To summarize, potential energy is the energy that is stored in an object due to its position relative to some zero position. An object possesses gravitational potential energy if it is positioned at a height above (or below) the zero height. Why is attractive energy negative? […]