Chemistry

metallic bonding in a group three metal
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What is the interaction between geosphere and biosphere
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a.Which of the following statements about empirical formulas is incorrect?An empirical formula represents a molecule.b. An empirical formula gives the smallest whole number ratio of each type of atomin a molecule.c. An empirical formula must be multiplied by an integer to obtain the molecularformula.d. The molecular formula can be the same as the empirical formula in some-situations.e.All statements are correct.
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Which of the following are needed for an electrical circuit? Choose all that apply A.A mental conductor for electrons to pass through B.light bulb C.two negative ends to a batteryD.closed loopE.charged battery to provide an electrical difference
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How many neutrons are in K-37?
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How many elements are present in the compound Na_2S_2O_3
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Hello! Everyone:) I was just wondering if you can help me with my test. Points: 99
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What effect do shiny metals have on radiant energy?
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Explain The process of Photosynthesis according to the chemical formula: Identify: The reactants(input), the products(outputs), and the energy source. **(Hint: Carbon Dioxide + Water = Glucose + Water)
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Help me with my Science, Part 1 and 2 please this has to be done by tomorrow
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What is the total amount of work done when Danny lifted 25 pounds of weight over 5 meters and applying 30- Newtons of Force?
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Pls fast pls due today pls pls I dont wanna fail
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How many grams of water are needed to absorb 456 J if its temperature goes from 22.7 to 98.3 Celsius?
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Enter the correct ground-state (or lowest energy) configuration based on the number of electrons: 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10.
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002 (part 1 of 2) 10.0 points1.5 mol HCl and 3.7 mol NaOH react accord-ing to the equationHCl + NaOH NaCl + H2O.If the limiting reactant is HCl, calculate theamount of NaCl formed.1. 1.92. 23. 1.14. 1.55. 16. 1.87. 1.28. 1.39. 1.410. 1.7Answer in units of mol.mol,
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An hibernating bear accumulates 25 kg of a triglyceride (846 g/mol) comprising the following fatty acids: C16, C17 and C189. How many grams of -hydroxybutyrate (104 g/mol) can the bear produce from this triglyceride during its hibernation?
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Consider the reaction below. Upper C upper C l subscript 5 (g) double-headed arrow upper P upper C l subscript 3 (g) plus upper C l subscript 2 (g). At 500 K, the reaction is at equilibrium with the following concentrations. [PCI5]= 0. 0095 M [PCI3] = 0. 020 [CI2] = 0. 020 M What is the equilibrium constant for the given reaction? 0. 042 0. 42 2. 4 24.
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In humans, tongue rolling is dominant over non-rolling. A man who can roll his tongue marries a woman who cannot. They have 8 children, of which 6 can roll their tongue. What is the genotype of these 6 children? Why?
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Which of the following is the correct chemical symbol for Aluminium?A: ALB: AlC: aLD: al
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Is a graph that starts at 25 and drops to 21, stays the same in temperature an endothermic reaction or an exothermic reaction?
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A car hits a bug with a force of 100N. With how much force does the bug hit the car? (A). 10 N(B). 100 N(C). 1000 N
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The magnetic field of an object exerts a force on any magnetic object around it.True or False
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Why are naphthalene ball used to protect clothes from insects? How does it gradually decrease and ultimately disappear?
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Whats the different between chemical property and chemical change, and physical property and physical change?
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