How much (mL) silver nitrate is required for the standardization? 4.995 49.950 49.590 45.990

Q: A scientist removed a sample of 37.8 grams of a chemical from a container. The sample was 4 1/4 less…

A: Given the mass of the sample removed out of the total mass = 37.8 g  Suppose the total mass of the…

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A: Introduction Mixtures in chemistry are formed when two or more different substances are combined…

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Q: Many processes occur in the digestive system. Which process is best classified as a physical change?…

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Q: Could the compounds shown below be separated by distillation? Yes or No. Using a sentence, explain…

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Q: Sublimation, Extraction, Decantation, Filtration, Evaporation 1.What separation technique(s) is/are…

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Q: Using the Identification of Substances by Physical Properties table in the question above, when…

A: The answer is explained below.

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Q: A drug is administered to patients at a rate of 1.15 mg/kg exactly three times per day. If the…

A: Given , A drug is administered to patients at a rate of 1.15 mg / kg exactly three times per day 1…

Q: a. What kind of trend or pattern is apparent from the graph of mass and volume data? Is there a…

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Q: A length of 155 nm can also be expressed as 1.55 x 104 pm 155000 pm O 0.155 pm 1.55 x 10-6 pm

A: 1 nm = 10-9 m 1 um = 10-6 m

Q: The average density of blood is 1.060 kg/L. The average human body contains 5.00 L of blood. What is…

A: average density of blood = 1.060 kg/Laverage volume of blood = 5.00 Laverage mass of blood = ?

Q: 20. As an instructor is preparing for an experiment, he requires 425 g phosphoric acid. The only…

A:

Q: How might the lack of a common nomenclature be a safety concern? What is a potential scenario in…

A: The lack of a common nomenclature is actually a safety concerns.  A molecule can have different…

Q: Penny sizes are the same before and after 1982. What can you say about the density of pennies before…

A: Penny sizes are the same before and after 1982, the density of pennies should have the same before…

Q: In chemistry, angstrom (Å) is a commonly used unit, and 1 Å = 10-¹0 m. Another commonly used unit is…

A: Given,1 Å = 1010 m1 nm = 109 m

Q: Part B A silver necklace is made from a pure sample of silver that is free of impurities. Which term…

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Q: Volume of DNA crystals is 0.144 nm^3 what is the volume in milliliters

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Q: 4) ½N2(g) + 02(g)= NO2(g) Kc = 1.04 x 10-9 N2(g) + 202(g)= N204(g) Kc = 7.42 x 10-18 Calculate Kc…

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Q: if you use 2 molar equivalents of compounds 1, how many milligrams

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Q: Sodium Nitrite, NaNO2, is a preservative for hotdogs. A ten pack of hotdogs contains 110 milligrams…

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Q: A 0.260 mL sample of very low density lipoprotein (VLDL) has a mass of 212mg. What is the density of…

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Q: An iron cannonball with a density of 7.86 g/cm3 is on display at a military museum. The cannonball…

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Q: Amount of water Amount of Ratio of (grams) cornstarch cornstarch to (grams) water 50 225 100 225 150…

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Q: Which of the following is a heterogeneous mixture? Brass Raisin Bran  air  sugar water  none

A:

Q: You strongly heat a tan-colored powdery solid directly on a hot plate in a vacuum chamber (so no air…

A: Since the unknown substance gives different colored substances, it is definitely not a pure element.

Q: 1) Perform the following conversions. 399 g to mg 370 oz to L 125.0 in to m 2.36 mL to L 3401.00 g…

A: Since you have posted multiple questions, we are entitled to answer the first only. Please repost…

Q: The following graph shows the historical concentration of atmospheric carbon dioxide in the…

A: The given graph shows the historical concentration of atmospheric carbon dioxide in the atmosphere.…