Exams & Certification

A rhombus has diagonals of 32 and 20 inches. Determine its area. The correct answer and explanation is : To find the area of a rhombus, we use the formula: [\text{Area} = \frac{1}{2} \times d_1 \times d_2] where: In the problem, we are given: Step 1: Apply the formula Substitute the values of the diagonals […]

Write the formula for each of the following compounds, being sure to use brackets to indicate the coordination sphere: (a) tetraaquadibromomanganese(III) perchlorate (b) bis(bipyridyl)cadmium(II) chloride (c) potassium tetrabromo(ortho-phenanthroline)- cobaltate (III) (d) cesium diamminetetracyanochromate(III) (e) tris(ethylenediammine)rhodium(III) tris(oxalato)-cobaltate(III) The correct answer and explanation is : Here are the formulas for the given compounds, using appropriate notation for

Draw a general graph of a non-spontaneous reaction for an uncatalyzed reaction. Show a second plot exhibiting the reaction as it might appear in the presence of a catalyst. Clearly show DG and both DG++ (aka “double dagger”), and describe the difference between them. The correct answer and explanation is : In the graph above,

How could AVC have prevented these problems during the implementation of the new system? The correct answer and explanation is : AVC (presumably referring to a company or organization implementing a new system) could have taken several steps to prevent the problems during the implementation of the new system. Some key strategies include: By following

Which of the following is the circumference of the circle whose area is equal to the area of a square whose perimeter is 49 inches? The correct answer and explanation is : To find the circumference of the circle whose area is equal to the area of a square with a given perimeter, we need

 How many sides are in polygon if each interior angle is 165 degrees?  The correct answer and explanation is : To find the number of sides in a polygon when the interior angle is 165 degrees, we use the formula for the interior angle of a regular polygon. The formula for the interior angle of

What is the number of the side of the polygon if the sum of the measures of the angles of a convex polygon is 900? The correct answer and explanation is : The formula for the sum of the interior angles of a convex polygon is given by: [\text{Sum of interior angles} = (n –

A decagon has how many diagonals? The correct answer and explanation is : A decagon has 35 diagonals. To understand how to calculate this, we first need to understand the formula used to determine the number of diagonals in any polygon. The formula for the number of diagonals ( D ) in a polygon with

To calculate the multiplier, we divide byA. equilibrium expenditure, the change in autonomous expenditureB. the change in equilibrium expenditure, the change in autonomous expenditureC. equilibrium expenditure, autonomous expenditureD. the change in equilibrium expenditure; autonomous expenditure The correct answer and explanation is : The correct answer is B. the change in equilibrium expenditure, the change in

For the isotope 17O2-, the number of protons, neutrons, and electrons are: a) 6 protons, 9 neutrons, and 6 electrons b) 8 protons, 8 neutrons, and 8 electrons c) 8 protons, 17 neutrons, and 8 electrons d) 8 protons, 9 neutrons, and 10 electrons e) 7 protons, 10 neutrons, and 10 electrons The correct answer