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Chemistry

What rock is formed after lava eruption?

What rock is formed after lava eruption? extrusive igneous rocks What are rocks formed from lava called? When lava comes out of a volcano and solidifies into extrusive igneous rock, also called volcanic, the rock cools very quickly. What is a crater filled with solid lava called? A volcanic crater is an approximately circular depression […]

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What are the most important gases for weather and climate?

What are the most important gases for weather and climate? The most abundant gas in the atmosphere is nitrogen, with oxygen second. Which of the following gases has the greatest effect on weather? Water vapor Which of the following is associated with climate change? The cause of current climate change is largely human activity, like […]

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Which pair of molecules is not a polar bond?

Which pair of molecules is not a polar bond? Answer Expert Verified. The O-O molecule is not polar since it is the only molecule in the list that has two atoms that do not have a difference in electronegativities. Is CO bond polar or nonpolar? CO (Carbon monoxide) is polar in nature because of the […]

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At what pressure does CO2 turn to dry ice?

At what pressure does CO2 turn to dry ice? At pressures below 5.13 atm and temperatures below −56.4 °C (216.8 K; −69.5 °F) (the triple point), CO2 changes from a solid to a gas with no intervening liquid form, through a process called sublimation. The opposite process is called deposition, where CO2 changes from the […]

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Is h2so4 a Polyprotic acid?

Is h2so4 a Polyprotic acid? Several important acids can be classified as polyprotic acids, which can lose more than one H+ ion when they act as Bronsted acids. Diprotic acids, such as sulfuric acid (H2SO4), carbonic acid (H2CO3), hydrogen sulfide (H2S), chromic acid (H2CrO4), and oxalic acid (H2C2O4) have two acidic hydrogen atoms. What is […]

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What is the short form of an element called?

What is the short form of an element called? Chemical symbols are abbreviations used in chemistry for chemical elements, functional groups and chemical compounds. Element symbols for chemical elements normally consist of one or two letters from the Latin alphabet and are written with the first letter capitalised. Which chemical element has the longest name? […]

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What are the assumptions of the Michaelis-Menten equation?

What are the assumptions of the Michaelis-Menten equation? Three assumptions are implicit in Michaelis-Menten kinetics: the steady-state approximation, the free ligand approximation and the rapid equilibrium approximation. What assumption is made in steady state kinetic analysis? Steady state occurs when the rate of formation and breakdown of the intermediate are equal. The steady state assumption […]

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