Master Chemistry with Fun Quizzes & Brain Teasers!

An unknown substance has a melting point of -77C. Is this substance likely to be an ionic compound?
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How many grams of aluminum would have the same number of atoms as 6.94 g of lithium?
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WHOSE Good with Chemistry to figure this question out? Calculate the work in joules if the external pressure is 825 torr. Remeber 1 L atm = 101.3 J
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A woolly mammoth was found in 1999 buried in the frozen soil of the Siberian tundra. Carbon-14 dating indicated that it had died about 20,000 years ago. Many fossils represent only the partial remains of organisms. However, a complete mammoth with bones, skin, hair, and internal organs intact represented a unique opportunity for scientists to investigate the lifestyle of this animal and the environment in which it lived. The low permeability of the tundra soil helped to preserve the mammoth. Explain why the tundra soil has a low permeability.
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How to make crystals using table salt?Please help I"ll mark you as the BRAINLIEST!!!
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If a scientist is testing the effect of fertilizer on plant growth, which of the following factors would NOT be kept constant?
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If 1.27 moles of bromine gas (Br2) react with excess phosphorus (P), how many moles of phosphorus tribromide (PBr3) will be produced?
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what substances have an arrhenius base?
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3.0 L of a gas has a temperature of 78 C find the volume of the gas at standard temperature
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elements in the periodic table are listed in order of their -----
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Unlike a mixture a compound always has:A: a variable compositionB: a constant compositionC: allotropic compositionD: a metallic compositionan
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A 1.8mL volume of seawater contains about 4.0 10^10 g of gold. The total volume of ocean water is about 1.5 10^21 L. Calculate the total worth of all the gold in the world's oceans if the price of gold is $19.96 per gram answer is in scientific notation
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What is the formula of the ion formed when tin achieves a stable electron configuration?A. Sn2-B. Sn3+C. Sn4+D. Sn4-
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11. What is the maximum number of electrons that an atomic orbital can contain?23281
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Titanium will react with magnesium oxide but sodium reacts with titanium oxide.The position of titanium will bea. above sodiumb. .below magnesium but above ironc. below sodium but above magnesiumd.. below silver
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4. This metal (X) displaces copper from copper sulphate solution but does notdisplace zinc from zinc sulphate. From this we can tell that the order of reactivity(most reactive first) isa. zinc; copper; Xb. zinc; X ; copperc. copper ; X ; zincd. X; zinc; copper;
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the strong nuclear force is always smaller then the electrostatic force true or false
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How many grams ofCO2 will be producedby burning 6 grams of carbon?Please I really need your help
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where does the chemical reaction take during photosynthesis
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What happens to the chemical structure of water when it changes states
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why did early astronomers believe in the geocentric model?
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Complete the sentenceIce crystals forming on awindow is aphysical changechemical change
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How many atoms are in 13.0 g Sr
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A yellow solution of iodine in water is shaken with an equal volume of tetrachloromethane describe and explain what happens
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