Chemistry

What is the pOH if the [OH-]= 0.165 M? What is the pH of this basic solution? *Please round your answer(s) to the appropriate number of significant figures. Your answer can be in standard notation or i letter "e" in place of x10.* 1 N
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NHNO NO + 2HO When 45.70 g of NHNO decomposes, what mass of each product is formed?
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Molar Volume of a gas at STP=22.4 L Example 3: Determine the volume of Carbon dioxide created when 15.0 grams of NaHCO3 are decomposed into water, Sodium carbonate, and Carbon dioxide at STP?
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Which statement below best describes a volatile liquid?Question 17 options:1.A liquid that doesn't evaporate under atmospheric pressure2.A liquid that evaporates slowly at low temperatures3.A liquid that evaporates rapidly at low temperatures4.A liquid that requires a large amount of energy to evaporate
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Which statement best describes DNA?(A) It can be found in every living cell.B It can be found only in specializedcells. It can be found only in cells with anucleus.D It can be found only when cells aredividing.
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PLEASE HELP ITS RLLY IMPORTANT. Consider the model of Ammonia to the right. Which terms would be used to describe this model? Element, molecule, and/or compound? Explain your reasoning.
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thermal energy is what we call energy that come from ___ of matter
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In the following reaction 2Na+ 2H20 - 2NaOH + H2: all of the sodium is consumed and a small amount ofliquid water remains at the end of the reaction. Which reactant is the limiting reagent?A) H20B) H2C) NaD) NaOH
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Plz help! I will give brainliest.
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Name the following compound:CH2 CH2EthylEthyneEthaneethane
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What happens when dilute sulphuric acid is poured on a copper plate?
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The formula for zirconium(VI) dichromate
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2.50 L of gas originally at 50 K is warmed to 80 K. If the pressure remains constant, which gas law needs to be used to find the new volume?Select one:a.Charles lawb.Gay-Lussacs lawc.Boyles lawd.Combined gas law
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Please someone help me ...............
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To make some oatmeal, Sally combined 40 grams of oatmeal, 10 grams of maple syrup, and some warm water. If the combined mass was 100 grams, how much water did she add?ANSWER THIS EMEDIATLY PLEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEAAAAAAAAAASEthank you(ps.this is the closest subject to science (that deals with volume, mass, and matter you know that kind of stuff )that I could find
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A pebble is dropped into a cup of water and sinks to the bottom ofthe cup. A solid metal bead of exactly the same size is dropped into the same cup and sinks to the bottom of the cup. How do the pebble and the metal bead compare?
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is butanoic acid a hydrocarbon?
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How many grams of water can be made from 6 moles of oxygen
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Question 1 (4 points)What is the molecular weight of Magnesium nitride, Mg3N2 (OR Mg3 N2). Reportyour answer to two decimal places.Do not include units with your answer.The atomic weight of Mg is 24.31 grams/moleThe atomic weight of N is 14.01 grams/mole
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Describe a time in the group discussion when you referred to the notes you took, the graphic organizer you filled out, and your position paper.
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Can Intrusive and Extrusive Igneous rocks form from the same mineral composition?
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What is an example of quantity of the resource being used by humans that affected
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At room temperature, oxygen is a gas and hydrogen is a gas. When they combine at room temperature, they form a _______________.
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Can someone please help me on this?
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