If Mass of 10 bolts = 64.567 g Mass of 10 nuts = 20.321 g1. What is the mass of 225 bolts?2. What is the mass of 450 nuts?3. If you have 625 grams of bolts, what is the mass of the same number of nuts?

Q: Zn+ 2Au(CN)2 → Zn(CN)4+ 2Au What mass of gold would you expect to recover from 2.50x105 gr

A: Zn+ 2Au(CN)2 → Zn(CN)4+ 2Au2 mol  Au(CN)2 produces  2 mol Autherefore,2 g ×Au(CN)2 produces = 2 g…

Q: 4. AB,(aq) + Nz,L(aq) – > NzB(aq) + AL(aq) 5. AZ4(8) + Q2(8) -- > Z,Q(1) + AO½(s) 2 of 2 Law of…

A: According to the law of conservation of mass , mass of the Substance can not be created or…

Q: What is the difference in mass between a nickel that weighs 4.8 g and a nickel that weighs 4.8673 g?

A: Given,  Mass of nickel = 4.8…

Q: a. What is the mass of 1.49 x 1024 atoms of chlorine? grams b. What is the mass of 9.12 x 1023…

A: a) mass of 1.49×1024 atoms of chlorine.

Q: 6. The density of salt is 2.16 g/cc. If you used 3.00 cc on your food, how much in ug is that?

A: The mass per unit volume of a substance is known as the density of the substance. The density of a…

Q: We have 40.5 cm of a material. How many g is it? The material has density of 9.50 g/cm O 68.0 g O…

A: • The values provided in the question are:-  i) Density of a material, d = 9.50 g/cm3  ii) Volume…

Q: 16) A 0.0758-g tungsten filament 17) A 1.50-g silver coin 18) A 60.0 g sample of FeCl3

A: Given that : We have to calculate the number of moles contained in each of the following samples :…

Q: Consider this chemical reaction: 2 MnI2(s) + 13 F2(g) 2 MNF3(s) + 4 IFs(1) If 83.5 kilograms of…

A:

Q: Question attached

A: 1: Identify the given in the problem stated. The given in the problem are the following: Each cork…

Q: A Canadian, driving in the U.S.A., fuels their car at a cost of L The current monetary exchange rate…

A:

Q: In a lab experiment, 8.21 g of phosphorus reacts with bromine to form 71.75 g of phosphorus…

A: According to the law of conservation of mass, the sum of mass of reactants and the sum of mass of…

Q: 1. What is the sum of 89.332 g and 1.1 g? a. 90.4g b. 90.432g C. 90.0g d. 90.43g

A: The significant figures of a given number are those significant digits, which express the meaning…

Q: You weigh a dry flask, and place a chunk of solid into it, then weigh it again. You then fill the…

A: We are given mass of flask = 58.97g  Mass of flask + solid = 135.91g  We have to find mass of solid

Q: 2NH3(8)+302(8)+2CH4(g) 2HCN(g)+6H2O(g) kJ

A:

Q: Someone invents new units of measurement: grobs, hulks, and blubs. They define that 1 hulk is equal…

A: Given new units of measurement 1 hulk = 10-3 grob 7 bulbs = 377 hulks We can relate bulbs with grob…

Q: what is the mass in grams of 125 iron atoms?

A: Given that: Number of iron atoms = 125 Atomic mass of iron =  55.845 g/mol

Q: 9.87 g + 0.520 g g 9.607 g – 1.00 g %3D g 7.77 g - 1.4 g %3D g

A: In addition and subtraction,  the minimum significant figures in final answer is same as fewest…

Q: Drag conversion units onto the boxes in the equation to make conversions. Some boxes can be left…

A:

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: Chemical Formulas as Formulas: Converting between Grams of a Compound and Gram of a Constituent…

A: First convert given mass in kg  into grams .

Q: What is the mass in grams of 12 oz mass of salt

A: Given that, mass = 12 oz change into gram ?

Q: How to calculate the percent by mass of water in unknown?

A: Percent by mass is calculated by using the formula,

Q: 1. A. What is the mass in grams of atoms of strontium? grams B. How many strontium atoms are there…

A: We have to apply mole concept

Q: Brass is an alloy that is approximately 67% Cu and 33% Zn, by mass. How many grams of Cu and Zn are…

A: % by mass = Mass of the componentMass of the whole compound X 100 Given that,  % by mass of Cu=67% %…

Q: Ethanol is a common laboratory solvent and has a density of 0.789 g/mL. What is the mass, in grams,…

A: Density is the ratio of mass and volume.

Q: You weigh a dry flask, and place a chunk of solid into it, then weigh it again. You then fill the…

A: The volume of the flask not occupied by the solid is needed to be find out.

Q: 3. A 5-peso coin was placed on top of a watch glass and their mass was recorded as 45.68 g. The mass…

A: Initially, mass = 45.68 g Empty watch glass mass = 39.86 g

Q: Tin reacts with oxygen to form tin oxide. In a particular laboratory experiment in which oxygen…

A: We will first find mass of sn, then mass of tin oxide. Using this we will calculate oxygen reacted.

Q: You wish to prepare 202 grams of 11.8 % Ba(OH)2. You will need _____ grams of barium hydroxide and…

A: Given:  Weight of solution = 202 gm  % by mass = 11.8 %  Density of water = 1.00 g/ml

Q: A 5.70 g mixture contains both lithium fluoride, LiF, and potassium fluoride, KF. If the mixture…

A: First, let's analyze the given data in the question, Mass of mixture = 5.70 g Mass of fluorine in…

Q: Cl2(g) 2HCI(g) AH = –184.6 kJ %3D | 2: O2(g) + 2 F2(g) AH = -49.4 kJ ΔΗ 3: 202(g) → 2NO2(g) AH…

A: Given,  Reaction,  N2 + O2 ---> 2NO  □H = 66.4 kJ Volume of N2 = 167 L Moles = Volume (L)/22.4…

Q: 7. What kind of a compound is KN and how do you know this? Draw a representation of three units of…

A:

Q: what is the mass in grams of 1.49 x 10^17 chromium atoms?

A:

Q: When a mixture of aluminum powder and iron(III) oxide is ignited, it produces molten iron and…

A: According to law of conservation of mass, mass can neither be created nor be destroyed in any…

Q: Commercial ibuprofen tablets contain 200 mg of ibuprofen each. The commercial tablets have the…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: An analytical chemist measures the amount of Elements E, and E, in four samples of an unknown…

A: Since the unknown substance, X contains elements E1 and E2, it can be either a compound of E1 and…

Q: What is the mass, in grams, of 5.23 moles of oxygen gas?

A: Number of moles of the substance is the ratio of mass to molar mass.

Q: We have 12.5 cm of a material. How many g is it? The material has density of 3.50 g/cm O 68.0 g O…

A: Given: Density of material = 3.50 g/cm3. And the volume of material = 12.5 cm3.

Q: If you have 74.2% silicon dioxide in your 52.0g sample, what mass (in grams) of silicon dioxide do…

A: Given: Mass of the sample=52.0 g  Percentage of silicon dioxide in the sammple= 74.2 % Mass silicon…

Q: Suppose you need 6.5 m of Grade 70 tow chain, which has a diameter of 3/8" and weighs 2.16 kg/m, to…

A:

Q: 8.930 12.2mL Metal C 3 sig fig 3. Calculate the mass in grams of a 525 cm³ block of lead. 1. 525…

A: Given, Volume of lead block = 525cm3. Density of lead = 11.342g/cm3.

Q: The avg mass of bolt, nut, and washer are 9.25 g, 4.02 g, and 2.38 g, respectively. A set contains…

A: Given:Average mass of 1 bolt = 9.25 g.Average mass of 1 nut = 4.02 g.Average mass of 1 washer = 2.38…

Q: 8.W 8 What

A: It is C. The reaction rate is halved

Q: 0.848g of Na2B4O7.10H2O into a crucible. After hearing the sample for a short time and allowing the…

A: Na2B4O7.10H2O is known as borax.It is a hydrated crystal having 10molecules of water of…

Q: Liquid heptane, C,H,6 , burns in oxygen gas to yield carbon dioxide and water. What mass of carbon…

A:

Q: Sodium chloride (salt) can be synthesized from sodium metal and chlorine gas. Na (s) + Cl2 (g) →…

A: 116.88 gram of NaCl will be formed.

Q: You need 8 different masses in the range of 2.50 to 7.00 grams they need to be spread out as evenly…

A: Given: lower range = 2.50 g Upper range = 7.00 g number of masses (n) = 8 common difference = d

Q: grams of F are in 255 g CaF2?

A: Given: 245 g CaF2  Calculation of amount of fluorine:

Q: Percent by mass of hydrogen in ammonia, NH3, is 17.77 %.  Which of the following is the grams of…

A: Gram of hydrogen = percentage of hydrogen × mass of ammonia.

Q: What is the mass of 1 atom of krypton? a-3x10-22 g b-9x10-22 g c-2x10-26 g d-5x1025 g e-1x10-22 g

A:

States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates). 

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.