All units must be units only of mass, length, or time. Which of the following is a correct formula for angular velocity? B. a. iron oxide b. ferric oxide c. ferrous oxide d. diiron trioxide. CHAPTER 15 Dosage Calculation Using the Formula Method Objectives After reviewing this chapter, you should be able to: 1. Get your answers by asking now. / Number of? Question 6. Once you know the fixed and variable costs for the product your business produces or a good approximation of them, you can use that information to calculate your company's breakeven point. Create your account. cost? The first is a number (n) and the next is a unit (u). Mathematically of course s/s would be equivalent. (Points : 1) Each unit in the formula, expressed in SI base units, must be the same. The formula mass for a compound is calculated by summing which of the following numbers for all atoms in a formula unit of the compound? Li. Answers: 1 Get Other questions on the subject: French. An empirical formula tells us the relative ratios of different atoms in a compound. All units must be units only of mass, length, or time. Earn Transferable Credit & Get your Degree, Get access to this video and our entire Q&A library. / Number of? Which of the following is a requirement that units in a correct formula or equation must always satisfy? Which of the following is the correct unit for formula weight? Thus, H 2 O is composed of two atoms of hydrogen and 1 atom of oxygen. This violates answer b. A. σ = φ/t B. ω = φ/t C. ω = θ/t D. σ = θ/t. Is it true that there are only two types of vibration: positive and negative? Join Yahoo Answers and get 100 points today. Empirical Formulas. piperfluegge piperfluegge Ca2N3 is not correct because the the numbers dont match up when you go back and look at the periodic table Note on degree Celsius. [Balanced equations are a good thing in math and chemistry too, right?]. units) + Total fixed cost. If the bpm is 60 and the stroke volume is 70 mL/minute, how is the volume pumped by the left ventricle? Which of the following would form a cation? = (Variable cost per unit? a. Which of the following is not a correct formula unit? In many cases, all that is required to find the formula unit for an ionic compound, and for some simple crystalline covalent compounds, is knowledge of … proper: a 25 kg sphere an angle of 2° 3' 4" If the spelled-out name of a unit is used, the normal rules of English apply: "a roll of 35-millimeter film." The formula of an ionic compound represents the simplest whole number ratio of ions in it. B) The units on both sides of the equals sign, expressed in SI base units, must be the same. The units on both sides of the equals sign, expressed in SI base units, must be the same. If n1 and n2 are the numerical values of a physical quantity corresponding to the units u1 and u2, then n1u1 = n2u2. all of the above. MgO Ca2N3 KCl Li3N See answer starlabolowich is waiting for your help. Unit spacing: There is a space between the numerical value and unit symbol, even when the value is used in an adjectival sense, except in the case of superscript units for plane angle. Alternatively, the Formula for operating income can also be calculated by adding back interest expense and taxes to the net income (adjusted for non-operating income and expense) which is mathematically represented as, Because of the way temperature scales used to be defined, it remains common practice to express a thermodynamic temperature, symbol T, in terms of its difference from the reference temperature T 0 = 273.15 K, the ice point. Add your answer and earn points. The SUM function in … Precision in Chemistry: Definitions & Comparisons, Physical Property of Matter: Definition & Examples, The Law of Conservation of Mass: Definition, Equation & Examples, Balanced Chemical Equation: Definition & Examples, Distance and Displacement in Physics: Definition and Examples, Phase Change: Evaporation, Condensation, Freezing, Melting, Sublimation & Deposition, Eukaryotic and Prokaryotic Cells: Similarities and Differences, High School Chemistry: Homework Help Resource, College Chemistry: Homework Help Resource, SAT Subject Test Chemistry: Practice and Study Guide, NY Regents Exam - Chemistry: Help and Review, High School Physical Science: Homework Help Resource, Biological and Biomedical [But many quantities are none of the above, such as electrical current, temperature, and dimensionless numbers]. It’s also common for management to calculate the contribution margin on a per unit basis. 28. Density, mass of a unit volume of a material substance. The formula for net sales can be derived by using the following steps: Step 1: Firstly, determine the total number of units sold of the product under consideration during a certain period of time, which can be daily, monthly, quarterly or annually. 1,1. A. Which of the following is the correct common name for this compound? a. grams b. ounces c. pounds d. atomic mass units. Question 9 Perhaps I am making it more complex than it is, but strictly speaking this is not true. 6 deg/s 2 . [Sounds plausible at first, but then what about grams, millimeters, and nanoseconds. Total mixed cost? 2,2. E. all of the above . Identify the information from a calculation problem to place into the formula given 2. Which of the following is a correct formula unit of an ionic compound? Empirical formulas reduce molecules to their simplest ratio of atoms. Still have questions? B. deg/s . This formula shows how much each unit sold contributes to fixed costs after variable costs have been paid. Calculating the breakeven point is a key financial analysis tool used by business owners. Services, Working Scholars® Bringing Tuition-Free College to the Community. The company uses the specific-identification method of inventory costing. = (Variable cost per unit? Physics involves relating various quantities to one another, often as a function of time.]. The formula for density is d = M/V, where d is density, M is mass, and V is volume. Li3N. asked Sep 22, 2015 in Business by AmazonGirl A) Weighted-average unit cost = Cost of goods available for sale + Number of units available Each unit in the formula, expressed in SI base units, must be the same. KCl. C. rad/s . A formula unit is the chemical formula representing an ionic compound in its simplest and most reduced terms. The derived unit in Table 3 with the special name degree Celsius and special symbol °C deserves comment. WRITING THE FORMULA OF AN IONIC COMPOUND. d. All masses must be in kilograms, all lengths in meters, and all times in seconds. ?Ideal gas qn? Which of the following is a requirement that units in a correct formula or equation must always satisfy? Which of the following is a requirement that units in a correct formula or equation must always satisfy? improper: What is the angular acceleration of the second hand on a clock after one complete revolution? Calculate medication dosages using the formula DH×Q=x 3. units) + Total fixed cost. [How could each unit be the same? What subscripts would properly complete the formula unit K_O_? 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The brochure states that angles must be expressed in base units m/m. Question: 6) Which Of The Following Is The Correct Formula To Compute The Predetermined Overhead Rate? After going through the above slideshow, one might wonder how the units for these equations resolve. Which of the following is the correct formula to calculate weighted-average unit cost for merchandise inventory? Every measurement has two parts. V/M=N/C (Show that) V/M=Workdone/Charge×Metre =Joules/Charge×Metre =F×ds/C×m =N×m/C×m =N/C hence proved. Calculate the number of tablets or capsules to administer 4. A frictionless piston-cylinder device initially contains air at 150 kPa and 300K. Which of the following is a correct formula unit? c. All units must be units only of mass, length, or time. 1,2. Small business owners can use the calculation to determine how many product units they need to sell at a … D. The total positive charge on cations is equal to the total negative charge on anions. Get an answer to your question “Which of the following is a correct formula unit for an ionic compound?Al2O3 Ca2O MgOH NaCl2 ...” in Chemistry if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions. Ne. The formula for density is d = M/V, where d is density, M is mass, and V is volume. For Example,2.8 m = 280 cm; 6.2 kg = 6200 g. This metric is typically used to calculate the break even point of a production process and set the pricing of a product. The units in a formula are equal on both sides of the formula to make it in equilibrium. Contribution Margin Per Unit. The units on both sides of the equals sign, expressed in SI base units, must be the same. MgO. Which of the following is/are correct units for angular speed? The units in a correct formula or equation must not always satisfy the statement "each unit in the formula, expressed in SI base units, must... Our experts can answer your tough homework and study questions. AlP. Ohm's law states that the current through a conductor between two points is directly proportional to the voltage across the two points. For example, the density of water is 1 gram per cubic centimetre, and Earth’s density is 5.51 grams per cubic centimetre. The ratios hold true on the molar level as well. Calculate the volume to administer for medications in… Li3Al. a. Note: I dont think its 60*70? The kilogram (also kilogramme) is the base unit of mass in the International System of Units (SI), the current metric system, having the unit symbol kg.It is a widely used measure in science, engineering and commerce worldwide, and is often simply called a kilo in everyday speech.. © copyright 2003-2020 Study.com. Each unit in the formula, expressed in SI base units, must be the same, D. both A and B . Ca2N3. A. σ = φ/t . You can easily understand units of density with following: Density, mass of a unit volume of a material substance. a. atomic number b. mass number c. nuclear charge d. no correct … answer! Which of the following is a correct formula for angular velocity? If two forces are acting on you to result in a zero net force, are there any forces acting on you? times× Number of? Question 8. For Example,the length of an object = 40 cm. Formula unit definition, (of an ionic compound that does not form molecules, as most salts) the chemical formula with the least number of elements out of the set of empirical formulas having the same proportion of ions as elements: NaCl is the formula unit for … PbCl. The company sold the whole lot to a supermarket chain for $14,000 on account. brochure. O. I. 2,1. units) minus? Accuracy vs. What happens if the error in the transmitted data is not corrected? This law applies to ideal gases held at a constant pressure, where only the volume and temperature are allowed to change. = (Variable cost per unit. C. Total mixed cost? C) All units must be units only of mass, length, or time. Get an answer to your question “Which of the following is not a correct ionic formula unit?LiS2, KCL, BaO, Ca3N2 ...” in Chemistry if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions. b. A. rpm B. deg/s C. rad/s D. both A and B E. all of the above. French, 22.06.2019 10:30, nevaehkb. When a spring is stretched a distance x, it exerts a restoring force of magnitude F = A x, where A is a constant.. The kilogram was originally defined in 1795 as the mass of one litre of water. All of this is explained in the following scrolling panels. Step 2: Next, determine the sales price per unit … Become a Study.com member to unlock this Total mixed cost? b This is even stated in the S.I. Which of the following is a requirement that units in a correct formula or equation must always satisfy? What is the angular acceleration of … Determining the Formula Unit for a Compound. It is related to the concept of an empirical formula, which is the simplest chemical formula expression for a non-ionic chemical compound. Q = nu. D) All masses must be in kilograms, all lengths in meters, and all times in seconds. ClO. Which of the following is the correct formula to calculate weighted-average unit cost for merchandise inventory? Which of the following is/are correct units for angular speed? The empirical formula for glucose and fructose is CH 2 O. For example, the following is true: a = F / m. But how does an acceleration unit (on the left) become the same as a force unit divided by a mass unit (on the right)? A. rpm . The units on both sides of the equals sign, expressed in SI base units, must be the same. SI includes a comprehensive system of prefixes.]. Charles' Law is a special case of the ideal gas law.It states that the volume of a fixed mass of a gas is directly proportional to the temperature.. Sciences, Culinary Arts and Personal All other trademarks and copyrights are the property of their respective owners. Which of the following is the correct formula for calculating total mixed? A) Each unit in the formula, expressed in SI base units, must be the same. Each unit in the formula, expressed in SI base units, must be the same. A. All masses must be in kilograms, all lengths in meters, and all times in seconds. Density is commonly expressed in units of grams per cubic centimetre. B. The symbolic way to express a particular law or information is termed as the formula. B. The formula output in cell F9 changes from −25% to 0%. The number expressing the magnitude of a physical quantity is inversely proportional to the unit selected. C. ω = θ/t. Al2O3 Ca2O MgOH NaCl2. The following is a list of the changes that occurred in the worksheet: The formula output in cell F12 now shows that we are planning a 1.1% increase in our total spending as opposed to a −1.7% decrease. The general equation for a parabola is y = a x^2 +... One pound is the same as 4.45 newtons. Unit relationships.