1231 1. 2. 4 Br OH

Q: You are drying a sample of Ba3(PO4)2. After 5 minutes of drying it weighs 1.2034 g. You continue to…

A: Answer: Percent change in mass will be the ratio of change in mass with initial mass, therefore %…

Q: I need help from questions A-C

A: DECOMPOSITION REACTION: A reaction in which a compound is cleaved into two or more smaller…

Q: A solution is prepared by dissolving 0.258 grams on magnesium chloride (MGC1, ) in water to produce…

A:

Q: A student is measuring a sample of sodium bicarbonate on an electronic balance that measures to the…

A: Introduction to electronic balance- An equipment used to measure material weight accurately is an…

Q: 7) How many kilograms is a 27 oz. bag of M&M's? 8) How many kilometers can a car travel on 19…

A: Since you have posted multiple questions, we are entitled to answer the first 3 only.

Q: A chemist fills a reaction vessel with 7.21 atm nitrogen (N,) gas, 6.92 atm hydrogen (H,) gas, and…

A: Given  Temperature = 25°C = 298°K The formation values are taken from the table given.

Q: NaOH, H₂O, heat в Ә Na Ө Na О НО OH

A: An arrow always depicts from a region of high electron density to low electron density ; that is…

Q: Which of the following is not intensive property? O density O boiling point O melting point O volume

A: Intensive property : It is a thermodynamic property that does not depend on the amount or quantity…

Q: The density of copper is 8.94 g/cm°. What is the volume of copper in a 420 g sample? O 378 cm3 O 65…

A: Density of a substance is the ratio of mass to volume. The density is usually indicated by the…

Q: Zn(s) + 2H (aq) Part 1 of 2 Zn Identify the species that is oxidized and the species that is reduced…

A:

Q: A 5.185-g sample of calcium is burned in air to produce a mixture of two ionic compounds, calcium…

A: Given: Mass of calcium burned = 5.185 g. Mass of calcium hydroxide formed = 4.601 g.

Q: 9. A gold sheet weighs 2.49 g. If the density of gold is 19.31 g/cm3, and the length and width of…

A: The volume of the given gold sheet is; V=mgold sheetdgold=2.49 g19.31 g cm-3=0.129 cm3

Q: Which product would be formed in the reaction below? Brz ? H;O а. Br

A:

Q: Al has density 2.70 g/cm3. If a solid Al cylinder is added to a cylinder which has 19.2 mL H2O, the…

A: To calculate the mass of the Al cylinder.

Q: 3 2 1 14. 1Н + 1Н — Оп+ in 1H 4 2He 4Be 3 On

A: To determine the mass number and atomic number of unknown product  we can equate mass number and…

Q: You have 150.0 mL of a 0.821 M solution of Ce(NO3)² What mass (in grams) of Ce(NO₂), would be…

A: Mass of Ce(NO3)4 can be calculated by knowing the concentration and volume of solution.

Q: 4. The volume of a piece of metal is 40.0 ml. Its density is 4.00 g/ml. What is its mass? a) 160 g…

A: Given density of metal = 4 g/ml  Volume = 40 ml

Q: 10. A sample of gold required 3.25 x 104 J of heat to change its temperature from 23°C to its…

A:

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: A sample of 14.2 cm3 of aluminum, in powdered form, was mixed with an excess of iron(III) oxide. A…

A:

Q: 4. A certain metal alloy contains silver (density 10.5 g/cm') and gold (density 19.3 g/cm³). A…

A: An alloy is a homogeneous mixture formed by combining two or more metals. The given alloy is a…

Q: Platinum has a density of 21.45 g/cm³ 25 °C. On the other hand, water at this temperature has a…

A: Given - Density of platinum at 25°C = 21.45 g/cm3            Density of water at 25°C = 0.99997 g/ml…

Q: In a catalog you can buy sulfuric acid with 99.999% purity at a cost of 2,263.00 pesos for a 100 mL…

A: The question given, volume of sulfuric acid (V)= 100 ml, Density of this acid (d) = 1.84 g/ml And…

Q: The formula for carbon monoxide is CO. a. How many molecules are in 3.35 grams of carbon monoxide?…

A: Given:The formula of carbon monoxide is COMass of CO = 3.35 gWe have to determine:(a) The number of…

Q: A 480-pound alloy (which is just a mixture of metals ) containing 30% silver was mixed with an alloy…

A: Mass of alloy with 30% silver = 480 pound Mass of alloy with 55% silver taken = x pound % silver in…

Q: 1. Draw the mechanism and major product of the synthesis reaction bel Br E2

A:

Q: Question 11: You are a gemstone expert studying samples of various materials. Gemstone Hambergite…

A: From the given gemstones, the most massive gemstone is = Smoky Quartz (density = 2.65 g/mL) The…

Q: 4. Classify each substance by composition, first as mixture (MX) or a pure substance (PS): sugar…

A: Sugar = PS , C                  As it is compound made of carbon , hydrogen and oxygen. Granite =…

Q: 91.23 g to mg

A: Given: Value in g = 91.23 g.

Q: You can identify a metal using its density. If you have a metal brick that you measured to be 4…

A:

Q: Fill in the Blanks Chemical Price/kg (in dollars) NaOH 21.17 CaCl2 41.28 КОН 31.38 CuSO4 93.32…

A: Solution is provided in the image below.

Q: 1. A student measured a 6.790 g sample of a hydrated salt. After heating, the mass of anhydrous salt…

A: a. Given that weight of hydrated salt is 6.790 g and mass of anhydrous salt is found to be 4.501 g.…

Q: Brass is an alloy of copper (8.92 g cm–3) and zinc (7.14 g cm–3). A 208.3 g piece of brass has a…

A: First, we need to calculate the density of the brass. Density is defined as mass divided by volume.…

Q: e mass o

A:

Q: Suppose you are measuring the mass of a solid sample on a balance using a weigh boat. You record the…

A: An instrument used to determine the weight of samples used in analysis is called a weigh balance.…