Chemistry

Which compound contains ionic bonds?No No2CaOCO2
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What is the mass of 0. 513 mol Al2O3? Give your answer to the correct number of significant figures. (Molar mass of Al2O3 = 102. 0 g/mol) 0. 513 mol Al2O3 = g Al2O3.
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BRAINLIEST TO CORRECT what would the cook time for 2 half-lives of the popcorn?
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Which example accurately describes a solution? (1 point)Nonpolar oil molecules dissolve in water, which is polar. Polar sugar molecules dissolve in water, which is polar.Nonpolar fat molecules dissolve in water, which is polar.Polar sugar molecules dissolve in oil, which is nonpolar.
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help plz I don't understand the last 2 questions
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Compare sodium and silver before and after they are placed in water. Has a new substance been produced in each case?
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What kind of elements form covalent compounds?
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Figure 2 Describe how a dog grows. Describe their mode of reproduction
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Why are unbalanced equations NOT useful inchemistry?
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Do you feel that this equation is currently following the law of conservation of mass? N2 + H2 NH
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In a covalent bond between identical atoms, the electrons are shared between the atoms. If the atoms are not identical, the electron distribution is so that the electrons are closer to one atom than the other. This type of bond is called a(n) covalent bond.
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PLZ HELP ASAPPretend you are teaching a friend about the differences between plant and animals cells. Your friend isnt even sure they know there is a difference between the types of cells.) Write a narrative of what you would say to your friend to explain how the plant and animal cells are different from each other and why these differences are important.
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NEED ASAP What is the affect of increasing the temperature of the water?What happens when you add pollution to the water?Can coral survive bleaching?What is coral?
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how long would it take to electroplate a flute with 28.3 g of silver (107.87 g/mol) at a constant current of 2.0 amps using AgNO3
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HELPPPPP ASAP PLSSSS !!!!!!!!!
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i need help with this asap..1. What has shininess2.ability to change its shape
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5.27x10^45 molecules of h20 is how many moles
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Gasoline has a density of 0.7197 grams per milliliter. Calculate the mass, in grams, of a sample of gasoline with a volume of 48.5 milliliters.
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PLEASSE HELP gotta get the answers neowww, basically just match the letters with the things.
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Four students wrote down their descriptions of rotting.Nick: Rotting is a chemical change that happens to fruit like strawberries or apples. Rotting happens slower when there is more heat.Kevin: Rotting is a chemical change that happens to iron objects like nails. It causes iron objects to change color and texture.Howie: Rotting is a physical change that happens to food like fruit. Rotting happens faster with increased heat and changes a fruits color and odor.AJ: Rotting is a chemical change that affects food such as fruit. Rotting changes the fruits color and odor and happens faster with increased heat.Which student had the best description of rotting? Nick Kevin Howie AJ
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LAST ATTEMPT! Covalent compound naming ! !!
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Al + FeCl2 Fe + AlCl3.
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Solve for x if 1/2x-3 + 5x/2x+6 =2
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Which best defines color? (1 point)a physical property of matter related to how a material interacts with different wavelengthsof lighta chemical property of matter related to how a material interacts with different wavelengthsof lightO a physical property of matter related to a material's ability to reflect lightO a chemical property of matter related to a material's ability to reflect light
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