Exams & Certification
A boy weighs 18 kilograms. How much does he weigh in pounds? Use the following conversion: 1 kilogram is 2.2 pounds. The correct answer and explanation is : To convert a boy’s weight from kilograms to pounds, we need to apply the conversion factor: 1 kilogram = 2.2 pounds. Step-by-step Conversion: Given: To convert the […]
A boy weighs 18 kilograms Read More »
A sodium atom has 11 protons, 11 neutrons and 11 electrons. If the atom loses one electron, what is the resulting particle? A A different element B A different isotope C A differention D A different atomic number E A different molecule The correct answer and explanation is : The correct answer is C: A
A sodium atom has 11 protons, 11 neutrons and 11 electrons Read More »
How many mL of 4.50M sodium hydroxide must be acetic acid solutions to make a buffer with pHb. How many mL of 4.50 M sodium hydroxide must be added to 250.0 mL of a 0.200 Mc. Calculate the pH of a formic acid solution that contains 1.45% formic acid by mass.Question 4a. The pH of
Write the prime factorization of each number as a product of powers. (a) 129. 3615. 1695 (b) 1613. 107.8112 The correct answer and explanation is : Prime Factorization of Each Number (a) 129, 3615, 1695 Prime Factorization of 129: Thus, the prime factorization of 129 is:[129 = 3^1 \times 43^1] Prime Factorization of 3615: Thus,
Write the prime factorization of each number as a product of powers Read More »
For the reaction represented by the equation SO3+H2O–>H22SO4 how many grams of sulfuric acid (H22SO4) can be produced from 197 g of water and 460g of sulfer trioxide? The correct answer and explanation is : To determine how many grams of sulfuric acid (H₂SO₄) can be produced from the given amounts of water (H₂O) and
For the reaction represented by the equation SO3+H2O–>H22SO4 Read More »
In usual notations If u=5x+20 and u = 100 and variance of u =40 then what are the mean and variance of x ? The correct answer and explanation is : Given the equations for ( u ): We are tasked with finding the mean and variance of ( x ). Step 1: Find the
On resumes and application forms, why do job seekers make statements or insert key words that do not truthfully describe their qualifications? To outsmart automated tracking systemsTo hide deficiencies in technical skillsTo demonstrate their initiative and creativityTo match the stated job requirements’ The correct answer and explanation is : The correct answer is: To outsmart
Integrative social contracts theory maintains that a. there is no such thing as moral-free space: all ethical standards are determined by societal norms, and individuals have an implied social contract to live up to these standards. b. each country, culture, and society has commonly held views about what constitutes ethically appropriate actions/behaviors; these common standards
Integrative social contracts theory maintains that Read More »
Demand is along the upper half of a linear demand curve, so an increase in quantity from a decrease in price increases total revenue. Demand is along the lower half of a linear demand curve, so an increase in quantity from a decrease in price decreases total revenue. Total revenue is maximized at the midpoint
Assume that gasoline is sold in a competitive market in which demand is relatively inelastic and supply is relatively elastic. (a) Draw a correctly labeled graph of the gasoline market. On your graph show the equilibrium price and quantity of gasoline, labeled Pn ?and Qi. (b) Suppose the government imposes a $2 ?per unit tax