What is used to represent a compound? Compounds are represented by chemical formulas. Elements in a compound are represented by chemical symbols, and the ratio of different elements is represented by subscripts. Which compound contains both ionic and covalent bonds Ki CaCl2 ch2br2? Answer Expert Verified NaCn contains an Na+ ion and a CN- negative […]
Who is the father of model theory?
Who is the father of model theory? Tarski’s work included logical consequence, deductive systems, the algebra of logic, the theory of definability, and the semantic definition of truth, among other topics. His semantic methods culminated in the model theory he and a number of his Berkeley students developed in the 1950s and ’60s. What is […]
What is an example of a directional hypothesis?
What is an example of a directional hypothesis? Directional hypothesis: A directional (or one tailed hypothesis) states which way you think the results are going to go, for example in an experimental study we might say…”Participants who have been deprived of sleep for 24 hours will have more cold symptoms in the following week after […]
What is the largest type of tephra?
What is the largest type of tephra? All explosive volcanic eruptions generate tephra, fragments of rock that are produced when magma or or rock is explosively ejected. The largest fragments, blocks and bombs (>64 mm, 2.5 inches diameter), can be expelled with great force but are deposited near the eruptive vent. How do you protect […]
Why does the sun burn us Readworks?
Why does the sun burn us Readworks? The Short Answer: There is infrared radiation, which is heat. There is visible light, which is what our eyes can see. There is also ultraviolet light. We can’t see ultraviolet with our eyes, but it can burn our skin. How is the sun burning without oxygen? The Sun […]
What is the function of pupil of eye?
What is the function of pupil of eye? The function of the pupil is clearly that of controlling the amount of light entering the eye, and hence the light reflex. Can an eye repair itself? Minor superficial scratches on the cornea will usually heal by themselves within two to three days. In the meantime, some […]
How does nuclear energy help us?
How does nuclear energy help us? NUCLEAR POWER PROVIDES 52% OF AMERICA’S CLEAN ENERGY Nuclear energy provided 52% of America’s carbon-free electricity in 2020, making it the largest domestic source of clean energy. Nuclear power plants do not emit greenhouse gases while generating electricity. How is nuclear energy used in everyday life? In agriculture, radioactive […]
Which of the following is an example of the Doppler effect?
What does NaCl and AgNO3 make?
What does NaCl and AgNO3 make? S- (Solid) Silver Nitrate and Sodium Chloride is an example of a chemical reaction that creates a solid. The Chemical Formula is Agcl + NaNO3. When these two chemicals are combined, a white precipitate of silver chloride is formed. What type of reaction is na2so4 bacl2? double displacement reaction […]
What 3 things does thermal energy depend on?
What 3 things does thermal energy depend on? The thermal energy of an object depends on three things: 4 the number of molecules in the object 4 the temperature of the object (average molecular motion) 4 the arrangement of the object’s molecules (states of matter). The more molecules an object has at a given temperature, […]