Chemistry

Which of the following environments are low-level areas that can be temporarily or seasonally filled with water? RainforestSwampTundraWetland giving brainlist HAS TO BE RIGHT
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Calculate the number of miles of magnesium,chlorine, and oxygen atoms in 5.00 moles of magnesium perchlorate
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A sample of copper has a density of 10.50g/cm3 and measures of 0.400 dm long,20.0 mm high and 0.003 m thick. What is the mass in grams of this block of copper metal?
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A student weighs an empty flask and stopper and finds the mass to be 53.256 g. She then adds about 5 mL of an unknown liquid and heats the flask in a boiling water bath at 98.8C. After all the liquid is vaporized, she removes the flask from the bath, stoppers it, and lets it cool. After it is cool, she momen- tarily removes the stopper, then replaces it and weighs the flask and condensed vapor, obtaining a mass of 53.780 g. The volume of the flask is known to be 231.1 mL. The absolute atmospheric pressure in the laboratory that day is 728 mm Hg. a. What was the pressure of the vapor in the flask in atm?
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Which of the following terms describes the area where the Himalaya Mountains formed?A.)Convergent BoundaryB.)Transform Boundary C.)Divergent Boundary B.)Subduction Zone
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QUESTION TWO2.1Discuss the process of the scientific method and clarify what is meantby the science process skills.(5)
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According to the dichotomous key, the organism pictured would be a member of the kingdomA)Animalia.B)Fungi.C)Eubacteria.
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calculate the amount of heat energy required to heat up 23.2 grams of ice from -21 C to 56 C ** please show your work**
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I have a bowling ball hanging from a chain in my room. What two forces are acting on the bowlingball?
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how many moles of sodium phosphate are required to make 7.5 moles of sodium nitrate in 2Na3PO4+3Be(NO3)=6NanO3+Be3(PO4)2
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can be used to help an individual with an eating disorder learn better ways to cope with stress anreplace unhealthy behaviors with those that do not cause harm.A. Preventative careB. HospitalizationC. MedicationD. Psychotherapy
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Which of the following bonds is classified as a polar bond?A K-CIB Br-BrC Si-FD S-O WILL MARK BRAINLIST
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The sky on Earth is blue because blue light is scattered through the atmosphere as the other colors of light passthrough undisturbed. Which nebulae have something similar happening?Emission nebulaeDark nebulaeReflection nebulaePlanetary nebulae
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What kind of rock can be brokendown to make sand?
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QUESTION 2In which relationship do both species benefit?A.MutualismB.CommensalismC.Parasitism
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1. During an endothermic chemical reaction, a gas is consumed and a liquid produced. a. Yes. b. No. c. Can't decide with information given. 2. A gas condenses to a liquid, neither absorbing nor releasing heat. a. Yes. b. No.c. Can't decide with information given.
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In a titration, what is the significance of the endpoint?
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If 1.3 moles of silicon dioxide react with 2.5 moles of carbon, how many grams of carbonmonoxide form?
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How many grams are there in 2.30x10^24 atoms of silver?
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The gas phase decomposition of phosphine at 120 CPH3(g)1/4 P4(g) + 3/2 H2(g)is first order in PH3 with a rate constant of 1.8010-2 s-1.If the initial concentration of PH3 is 8.4810-2 M, the concentration of PH3 will be 2.4510-2 M after s have passed.
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Help pleaseee.... :(
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Incorporate the meaning distance and displacement in the poem tagalog or English not necessarily the exact definition halimbawa: Itong mga dayuhan bago nakarating sa ating Bayan ay naglakbay ng ilang milya mula kanluran papuntang timog silangan
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periodic table for the first twenty elements
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Which of the following shows the correct rearrangement of the the heat equation q = mCpT to solve for specific heat?
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