Chemistry

what is 606 as a 2 sig fig answer?
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2. According to Newton's second law of motion, in which of these situations is the objectaccelerating? a. A book on a shelf b. A rock sitting on the ground c. A helium balloon tied to alamppost d. A ball that has been thrown upward
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How do organisms get their genes?ANSWER CAREFULLY!!!
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What is the Great Red Spot on Jupiter?
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Spiders create their webs on the stems and trunks of trees. The tree is unaffected by the spider web.1.predation2.commensalism3.parasitism4.mutualism
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How does the heart keep the blood flowing throughout the body? It contracts and relaxes It inflates and deflates It inhales and exhales It opens and closes
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N + 3H --> 2NHIf 207.0 g of H reacts, what mass of NH is produced?
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Which of the following are diatomic elements? Select all that apply.A.HydrogenB.BoronC.BromineD.Iodine
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Calculate the molecules in 9.78 moles of oxygen gasCalculate the number of grams in 2.44e26 molecules of carbon dioxide, CO?How many atoms are in 3.73e-2 moles of potassiumHow many moles are in 11.8 grams of Barium?Calculate the number of particles in 43.2 grams of N2OThe chemical formula for aspirin is C9H8O4. What is the mass in grams of 0.60 moles of aspirin
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Name the gases that mostly compose the atmosphere.O Argon and Carbon DioxideO Oxygen and Carbon DioxideOxygen and NitrogenCarbon Dioxide and Nitrogen
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explain why people are concerned with the rising level of carbon dioxide in the atmosphere (CO2). What are engineers doing to rebalance the carbon cycle? What can you do to help rebalance the carbon cycle?
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Calculate the volume of 150kg of chlorine gas at room temperature and pressure. The volume of one mole of gas at room temperature and pressure is 24.0dm^3. Relative formula mass (Mr): Cl2=71
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Can someone please help
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The water treatment plant adds chlorine gas to the municipal water supply tocontrol microorganisms. If a technician adds Cl2 at a rate of 1 mg per liter of water,what is the molar concentration of chlorine in the drinking water?
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What is the answer to this?
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How are hydrogen atoms arranged in ethene? in -different planes, separated by angles of 180 in -the same plane, separated by angles of 120 in -the same plane, separated by angles of 1800 in -different planes, separated by angles of 1200
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Answer the following questions about the solubility of CoCO3(s). The value of Ksp for CoCO3(s) is 1.0 10^10. A. Calculate the value of [Co2+] in a saturated solution of CoCO3 in distilled water. B. If 0.10 M of Co2+ is already present in distilled water, calculate the molar solubility of CoCO3(s). C. Explain why CoCO3 is less soluble in distilled water that already contains Co2+
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If 74.5 m of oxygen are collected at a pressure of 98.0 kPa, what volume will the gas occupy if thepressure is changed to 90.4 kPa?
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HELP ASAP no links or I will report
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Read the temp what is it?
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You are attempting the reduction of quinone with sodium borohydride. After adding the 0.05 g of NaBH4 you note that the solution remains yellow. Following the procedure, you continue to add increments of 0.05 g NaBH4. You note that the yellow color remains even after the addition of 0.10 g of extra NaBH4. Several students around you are experiencing a similar problem. Propose a cause for this and suggest a solution.
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Plz help me I am!!!!
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PLEASE HELPPP WILL GIVE BRAINLIEST!!!
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The hot liquid substance that is inside the earth is referred to as lava or magma?
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