Chemistry Questions

Why is HBrO a weaker acid than HBrO3? A. The HO bond in HBrO is less polar than the HO bond in HBrO3 B. The HO bond in HBrO is more polar than the HO bond in HBrO3 C. The HBr bond in HBro is weaker than the HBr in HBrO3 D. The HBr bond in HBrO is stronger than the HBr bond in HBrO3 E. The HO bond in HBrO is weaker than the HO bond in HBrO3
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The geometry for boron atom in F3B-NH3 is...A) trigonal pyramidalB) tetrahedralC) trigonal bipyramidalD) bent
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Mixtures have strong chemical bonds true or false ?
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What hypothesis did Miller-Urey test in their experiment?A. Organic molecules can form in a reducing atmosphere.B. Earth is a primordial soup.C. Organic molecules cannot survive in a reducing atmosphere.
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Fe(NO3)2 not sure how to get the oxidation numbers of all elements
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a gas has a volume of 590 mL at a temperature of 590 mL at a temperature of -55.0 degrees Celsius. What volume will the gas occupy at 30.0 degrees Celsius?
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What hypothesis did Miller-Urey test in their experiment?A. Organic molecules can form in a reducing atmosphere.B. Earth is a primordial soup.C. Organic molecules cannot survive in a reducing atmosphere.PLEASE HELP AS SOON AS POSSIBLE!
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1. In a compound, chemical energy is contained in the (1 point)a. nuclei of the atoms.b. unbonded electrons.c. bonds.d. movement of the electrons.2. Which of the following statements is true about what happens during a chemical reaction? (1 point)a. Bonds of the reactants are broken, and bonds of the products are formed.b. Bonds of the reactants are formed, and bonds of the products are broken.c. The bonds of both the reactants and the products are broken.d. The bonds of both the reactants and the products are formed.
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An atomic nucleus must contain at least one neutron or else the force of attraction of the electron(s) will collapse the atom. True/false
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Which of these period three elements from the periodic table would you predict to be the MOST metallic? A)Al B)Ar C)ClD)Si
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What is the name for Na20?
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Explain whether smoke filling up a room is diffusion or not.
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What is the purpose of interphase in the eukaryotic cell cycle?
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How does a solid become a liquid
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What is the difference between periods and groups on the periodic table?
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How many atoms of carbon are present in a molecule of :Fructose and galactose
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How Fast Do Different Parts Of The EM Spectrum Travel In A Vacuum?
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What kind of reaction occurs when a molecule of glucose reacts with oxygen to give carbon dioxide and water?A. an exothermic reactionB. an endothermic reactionC. a synthesis reactionD. an irreversible reaction
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