Answers about Chemistry

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To determine the number of atoms in one mole of MgCl2 (magnesium chloride), you can use Avogadro's number, which is approximately 6.022 x 10^23 atoms/molecules
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Chemistry



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What happens to red litmus paper when it is placed in hot water?

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Chemistry



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Does a compound of one hydrogen atom and two oxygen atoms have the same properties as a compound of two hydrogen atoms and two oxygen atoms?

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Elements and Compounds



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What is the nucler formula for oxygen?

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Atoms and Atomic Structure



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In which part of the atom is the protons located?

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Chemistry



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How many groups have only 5 elements in them?

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Chemistry



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What is used to describe an atoms ability to chemically bond with another atom?

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Chemistry



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How many oxgyen atoms does 1 mol of O2 gas have?

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Chemistry



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Cubane is a compound composed of only C and H. it is 92.26C by mass. what is its empirical formula?

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Science



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How are tstatehe molecules different in each state?

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Chemistry



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American scientist and their contribution?

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Chemistry



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How do atoms move in a system based on the amount of energy?

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Chemistry



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What is the name given to an atom with no overall charge?

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Chemistry



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When one atom gives up an electron to another atom it forms a(n) what?

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Chemistry



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If a chlorine atom gains or loses a valence electron it becomes a charged particle called aan . A. ion?

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Science



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What is the specific heat of dry ice?

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Science



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Why does vinegar have such a strong chemical reaction when in contact with copper?

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Chemistry



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What does one determine a percent composition from an empirical formula?

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Chemistry



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What do the noble gases he and kr have in common?

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Science



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Is tartaric acid saturated or unsaturated?

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Periodic Table



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Which elements have 2 valence electrons What do you notice about their location on the periodic table?

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Chemistry



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What nontoxic solute requires the least concentration in volume with water to decrease the freezing point?

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Elements and Compounds



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What element is ClCu2?

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Atoms and Atomic Structure



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What is a diagram that represents an atom and it and electrons?

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Chemistry



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What is the inoic compound CoI?

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