Chemistry

Which molecule has ionic bond? Mg C0 NaCl N0
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Please help! i will give brainliest!When a solid air freshener gets smaller over time and runs out is it a physical change or chemical change? please say why?
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explain the concept of kenetic molecular theory
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In the following experiment, a coffee-cup calorimeter containing 100mL OF H2O is used.
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How do ionic and molecular compounds behave in water?
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Cu(OH) +HPO = Cu(PO)+HOhow do i balance this equation
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Which condition is usually associated with low air pressure systems?
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How much does the universe(galaxy) weigh?
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What type of material is half-life associated with?
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Select all the correct answers.In the cathode ray tube experiment, J.J. Thomson passed an electric current through different gases inside a cathode ray tube in the presence ofan electric field. In which two ways did this experiment change scientists' understanding of the atom?O It showed that atoms combine in different proportions.O It showed that atoms can be divided into smaller parts.M It showed that all atoms of the same element are similar.DIt showed that individual atoms could be destroyedshowed that all atoms contain electrons.
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1) Loudness and pitch are two important properties of a musical sound a) If a musician plays a softer note, Which property has been changed, loudness or pitch? b) If the musician makes the note lower , which property has been changed loudness or pitch
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What makes the Earth go around the Sun?
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Help asap plsss ! Last question
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Ensure you write the states of the reactants and products. phosphoric acid reacts with magnesium hydroxide
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If two atoms have an electronegativity difference of 1.3, what type of bond would form between them? Select one:a. non polar covalent b. polar covalent. c. ionic
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which of these gaseous elements is least reactive hydrogen helium nitrogen or oxygen
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how do I know which substance is being reduced?
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Why do thermistors increase in conductivity when heated? What happens in normal metals? Explain on the atomic level.
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Which model represents a compound with a 1:2 ratio? Please explain your answer.
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write the correct name of the Fe(CIO3)3
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Which gas is not a significant contributor to greenhouse gasses.?A. Carbon DioxideB. Hydrogen C. Methane D. Nitrous oxide
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The reaction below is at dynamic equilibrium. Upper N subscript 2 (g) plus 3 upper H subscript 2 (g) double-headed arrow 2 upper N upper H subscript 3 (g). Which statement is true for the equilibrium system? The concentration of NH3 is greater than the concentration of N2. The concentration of NH3 equals the concentration of N2. The rate of the forward reaction equals the rate of the reverse reaction. The rate of the forward reaction is greater than the rate of the reverse reaction.
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When 0.019 mol of aluminum sulfate are dissolved in enough water to make 905 milliliters of solution, what is the molar concentration of aluminum ions? Answer in units of M
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