What is the density of a solid sample that increased the volume of 25.2 mL of water to 34.9 mL when placed in the graduated cylinder and weighs 13.34 g? O A. 0.52 g/mL O B. 0.38 g/mL OC. 1.37 g/mL O D.0.73 g/mL
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- (in ML) evo/index.html?deploymentld%35575082893418928890996 2&elSBN=9781305657571&nbld%3D2199898&snapshotld%3D21998... * INDTAP Q Search this co Use the References to access important values if needed for this question. Oxalic acid dihydrate is a solid, diprotic acid that can be used in the laboratory as a primary standard. Its formula is H2C204•2H2O. A student dissolves 0.210 grams of H,C,O4•2H¬O in water and titrates the resulting solution with a solution of sodium hydroxide of unknown concentration. If 27.3 mL of the sodium hydroxide solution are required to neutralize the acid, what is the molarity of the sodium hydroxide solution ? M Submit Answer 5 question attempts remaining Ne5:59 PM Fri Oct 8 43% AA www-awn.aleks.com G periodic table Favorites - YouT... TV fuboTV - Watch... ALEKS - Caliyah... G kno3 acid or ba... G linear program... G write formulas f... C Solved A. Chem... CHEMICAL REACTIONS Caliyah Using molarity to find solute moles and solution volume A chemist adds 385.0 mL of a 3.74 x 10 mmol/L calcium sulfate (CASO,) solution to a reaction flask. Calculate the micromoles of calcium sulfate the chemist has added to the flask. Be sure your answer has the correct number of significant digits. u mol Explanation Check 2 curaw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Accessiblity10 11 and 12...please elaborate
- ) STEC SHS STEMATC Q Search Quizlet » An iren A Classwork for GENERAL > Pick Up Lines for Weme D8 htps://dassroom google.comVzkzNaY2NEKAVV/all School-ing Oto weed O GOOGLE MEET O Grade 11- MNDLV DENTERTAINMENT Time -------> Sample Problems I O A 466-g sample of water is heated from 8.50 °C to 74.60 °C. Calculate the amount of heat absorbed (in kilojoules) by the water. O An iron bar of mass 869 g cools from 94 °C to 5 °C. Calculate the heat released (in kilojoules) by the metal. O How much energy is required to change 2600 gram of ice at 0°C into water at the same temperature? Sample Problems acer F5 F6 F8 F9 F10 F1 F12 CH Numk & 5 6 8. 9 T Y 4 F K 2 L.l Q... PIAT ] Question 20: Which of the following is NOT the advantage of grease? Question 21: The common friction modifiers used in grease is A Trcrosy phosohte (TCP) 8. Diben to (Z00P) Question 22: Synthetic oils are used in aerospace applications because & They can withetand very high range o emperature o 1207 10 5000 F. fiheor Nuinctian 22: ldantifir tha INNCNADDENT ctatamani o} o m > > @ uHelp 100% Public Health Ch X HSC 258 - Major Projec X Mind Tap - Cengage Lea X C The Illustra d%3D55750828934189288909969212&elSBN=9781305657571&id%3D1061392007&nbld%3D21... References Use the References to access important values if needed for this question. For the following reaction, 66.8 grams of silver nitrate are allowed to react with 24.6 grams of copper(II) chloride. silver nitrate(aq) + copper(II) chloride(s) silver chloride(s) + copper(II) nitrate(aq) grams What is the maximum amount of silver chloride that can be formed? What is the FORMULA for the limiting reagent? grams What amount of the excess reagent remains after the reaction is complete? Submit Answer
- PART3-1ABORATORY FQUIEMENT FQUIPMENTNAME FUNCTION To hold test tubes. Attaches to a retort stand to support glassware being heated. To pour liquid from a large container into a small container. To provide a flame during an experiment. To light the Bunsen burner. To attach test tubes to a retort stand. To clean substances out of a test tube. To hold a hot crucible or flask. To hold a hot test tube. To place on the lab bench to prevent burning or to use with ring clamp. To transfer small amounts of liquid. To grow bacteria or contain small experiments. To hold liquids. To measure liquids. To contain experiments (a stopper can be used to close the flask). To hold a hot beaker. To perform an experiment with a different substance in each well. To hold chemicals and perform experiments in. To scoop and transfer small amounts of substances. To stir during experiments that involve mixing or dissolving.material. 1. CH3MGB. (2 equiv.) 2. Hо" CH34:18 Third H.W.pdf •.. 1. Which of these models show the process of boiling (fast evaporation)? Circle the correct letter. 2. In order for this process (boiling) to take place, heat: a. must be added. b. must be taken away. Model A shows molecules in a Model B shows molecules in a 3. Fill in blanks: a- Particles in matter are always moving due to their ... . b- ............. is the flow of energy from warmer matter to cooler matter. c- In d- 250 °F is equal to e- 76 °R is equal to .substances particles move slower and lose energy °C °K 4. When a particle has a mass of 50 gm and a density of 170 gm/m³, Find its volume.
- Would the calculated percentage of the hydrate in a sample be too high, too low, or unaffected by the following? 1. Your sample was still a crystalline solid after heating instead of a powder. Too high O Too low Unaffected 2. The sample was allowed to cool on the bench top instead of in the desiccator. O Too high Too low Unaffected 3. The balance used to perform all measurements consistently reports measurements 0.2g too low. O Unaffected O Too high Too low44. answer now pls thank youA 1.59g sample containning KI was analyzed gravimetrically and .0538g of barium iodate was recovered. Express the results of this analysis as percent potassium iodide.