How does oxygen cycle affect the environment? Free in the air and dissolved in water, oxygen is second only to nitrogen in abundance among uncombined elements in the atmosphere. Plants and animals use oxygen to respire and return it to the air and water as carbon dioxide (CO2). What are the factors affecting oxygen and […]
What causes the release of energy when propane burns in oxygen?
What are some examples of chemical reactions in everyday life?
What are some examples of chemical reactions in everyday life? Examples of chemical reactions in everyday life include photosynthesis, rust, baking, digestion, combustion, chemical batteries, fermentation, and washing with soap and water. Chemical reactions occur everywhere in the world around you, not just in a chemistry lab. What are the 7 types of chemical reactions? […]
Is it possible for a heat engine to operate without rejecting any waste heat to a low?
Is it possible for a heat engine to operate without rejecting any waste heat to a low? Is it possible to save the rejected heat Qout in a power cycle? The answer is NO, because without the cooling in condenser the cycle cannot be completed. Every heat engine must waste some energy by transferring it […]
Is spraying water in your room good?
Is spraying water in your room good? Spraying water in air can increase the humidity of a room to a little extent. However normal room humidifiers use a wick like substance to absorb water from a container thereby increasing surface area so that evaporation rate increases. Humidity is nothing but water vapour present in the […]
What is the biggest number of patents held by one person?
What is the biggest number of patents held by one person? Inventor Thomas Edison is mistakenly believed to be the all-time top patent holder. And although he reputedly held 1,093 patents, there are other inventors who are even more prolific – some with almost four times the number of patents granted to Edison. How much […]
What is food chain give two examples?
What is the difference between a dependent and independent variable in science?
What is the difference between a dependent and independent variable in science? You can think of independent and dependent variables in terms of cause and effect: an independent variable is the variable you think is the cause, while a dependent variable is the effect. In an experiment, you manipulate the independent variable and measure the […]
Why do lasers destroy cameras?
Why do lasers destroy cameras? Lasers emit concentrated beams of light, which can heat up sensitive surfaces (like the eye’s retina) and cause damage. Camera sensors are susceptible to damage, similar to the human eye. How do I block my neighbors security cameras? Do’s: Five Ways to Block Your Neighbor’s Security Cameras Have Security Cameras […]
Do the stars affect your life?
Do the stars affect your life? Astrology purports that astronomical bodies have influence on people’s lives beyond basic weather patterns, depending on their birth date. This claim is scientifically false. Numerous scientific studies have disproven that astronomical bodies affect people’s lives according to their birth date. Why the stars seem higher than they actually are? […]