When a light bulb is rated at 60 W It means that? There is a linear relationship between Energy and Power, so the higher the Power (wattage) of a device, the more energy it consumes. One Watt means one Joule (J) per second (s) is being consumed. 60W means 60J/s is being consumed by the […]
Does coal burn a lot of air?
What happens when zinc granules are added to HCl?
What happens when zinc granules are added to HCl? Zinc reacts easily with the acid to produce hydrogen bubbles. Zn + HCl → H2 + ZnCl2 is the reaction involving zinc and hydrochloric acid. It is a single replacement reaction in which hydrogen is displaced by zinc metal to form hydrogen gas and a salt, […]
What body parts have no use?
What body parts have no use? Some human body parts have become useless over the past few million years. Useless body parts include the appendix, the tail bone, and the muscle fibers that produce goose bumps. Did humans used to have 2 toes? Scientists have found that our big toe was one of the last […]
How dangerous is potassium carbonate?
How dangerous is potassium carbonate? Potassium carbonate is highly irritant to the eyes and associated mucous membranes. In case of prolonged exposure, it may cause permanent corneal damage, including loss of vision. The first step during first aid is to remove glasses or contact lenses and then flush eyes with cold water for 15 minutes. […]
How do you start physical activity?
How do you start physical activity? As you begin your fitness program, keep these tips in mind: Start slowly and build up gradually. Give yourself plenty of time to warm up and cool down with easy walking or gentle stretching. Break things up if you have to. Be creative. Listen to your body. Be flexible. […]
What are the examples of non polynomials?
What are the examples of non polynomials? Examples of Polynomials Example Polynomial Explanation 5x-2 +1 Not a polynomial because a term has a negative exponent 3x½ +2 Not a polynomial because a term has a fraction exponent (5x +1) ÷ (3x) Not a polynomial because of the division Is Xa a polynomial? It is polynomial. […]
What are the 3 forms of weathering?
What are the 3 forms of weathering? Weathering is the breakdown of rocks at the Earth’s surface, by the action of rainwater, extremes of temperature, and biological activity. It does not involve the removal of rock material. There are three types of weathering, physical, chemical and biological. What is the negative effect of weathering? Weathering […]
What is water cycle in long answer?
What is water cycle in long answer? The water cycle shows the continuous movement of water within the Earth and atmosphere. Liquid water evaporates into water vapor, condenses to form clouds, and precipitates back to earth in the form of rain and snow. Water in different phases moves through the atmosphere (transportation). What is the […]
What is inappropriate body language?
What is inappropriate body language? Negative body language is either a conscious or unconscious expression of sadness, anger, nervousness, impatience, boredom, or lack of confidence. We can tell a lot about how a person is feeling through their body language. What is open and closed body language? Open and Closed Posture Someone seated in a […]