Chemistry

Describe the factors that can be used to predict whether or not a nuclide is stable.
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Based on the graph, what is the approximate half-life of the reaction shown below
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is H2O polar or non polar?
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A force of 5N accelerates an object. The object mass is 50 g. What is the acceleration of an object?
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The equations ? Its for a chemistry class, and he said we need to explain and write down the math problems?
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1. Before starting, make a prediction: If substances B and C are both in the gas phase and are at the same energy level, which of the two substances will need to have more energy transferred out in order to change to the liquid phase? Substance B or substance C? Explain your answer.
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Analyze the reaction of solid magnesium and water. Which pair of reactants and products in the table below represent the correct balanced equation for the reaction?
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Nylon is a synthetic material that has many uses. It is used in the production of machine parts, cookware, and fabric. Nylon is made from petroleum and natural gas. Suppose that there were a shortage of petroleum and natural gas. What would companies that produce nylon likely need to do? A. identify a different natural resource that nylon could be made from B. search for nylon in many different parts of the earth C. convert existing nylon back into petroleum and natural gas D. find a way to make nylon without using natural resources
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How many atoms are in 25.0 grams of carbon?
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Volcanoes will most likely form along a convergent plate boundary that is....A. Continental vs ContinentalB. Continental vs OceanicC. None of the above.
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What color does red cabbage juice change in ammonia?
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(QUICK)What is the percent yield if the actual yield is 1.5g and the theoretical yield is 4.5g?
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The Universal Space Agency wants to know the results of your Sim investigation. Write your report to the lead chemist, explaining why drops of liquid water appeared on the outside of the cold, but not the warm, soda can. Use evidence from your investigation in your explanation.
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Which is the correct definition of electronegativity?
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oxygen is odorless and colorless physical or chemical
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31.) How far can a rock fly(meters). if the slingshot has a total potential of 500 Joules, and when releasing the slingshot exerts a total amount of 25 Newtons?
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[H+]=11013 M pH= what is this answeer
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What foods have been allowed or banned in which countries? Why? please please help me
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Which chemical equation below shows a combination (or synthesis reaction?A) 2KClO3 > 2KCI+3O2B) C+ O2 > CO2C) 2H2O > 2H2 + O2D) NaCl > Na + Cl
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Atoms with the same number of protons but with different electrical charges are called:
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LAST ATTEMPT! Covalent compound naming !
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Identify the following element: a metal, 2 valence electrons, +2 oxidation number, valence electrons are in period 4.
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The characteristics fingerprints of light produced when a substance is given energy are called A. GroundlingsB. QuantumsC. SpectrumsD. Amplitudes
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Which one is the answer?
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