Exams & Certification

A formula to be used in Linear Permutation * nCr nPr rCn pRc The Correct Answer and Explanation is: The Paramecium sp. cell is approximately 250 micrometers long. This estimate is based on the scale bar in the image, which represents 25 micrometers. By comparing the length of the organism to the scale bar, the […]

All of the following are examples of EXTENSIVE properties of matter EXCEPT volume, number of atoms, length, and the state of matter. The Correct Answer and Explanation is: Correct Answer: The state of matter Explanation: In chemistry and physics, properties of matter are categorized into two main types: extensive properties and intensive properties. Let us

Through middle of which country does Tropic of Cancer passes? Mention the states of that country through which Tropic of Cancer passes. The Correct Answer and Explanation is: Correct Answer:The Tropic of Cancer passes through the middle of India. In India, it passes through the following eight states: Explanation The Tropic of Cancer is an

where is tropic of cancer located and which states of India does it pass through The Correct Answer and Explanation is: Correct Answer:The Tropic of Cancer is located at approximately 23.5 degrees North latitude. In India, it passes through eight states. These states are: Explanation The Tropic of Cancer is an important imaginary line of

Draw the Lewis structure for OCN(the atoms are bonded in the order given). Include all formal charges and resonance structures. Circle which structure would be the MAJOR contributor. The Correct Answer and Explanation is: To draw the Lewis structure for the OCN⁻ ion (also called the cyanate ion), with atoms bonded in the order O–C–N,

Draw a Lewis structure for OCN- with 2 double bonds. What is the formal charge on each atom? a. O = -1 C = -1 N = +1 b. O = -1 C = 0 N = 0 c. O = 0 C = 0 N = -1 d. O = 0 C = 0

The formula for the conjugate acid of CL is 2. The formula for the conjugate base of ) NH Submit Answer Retry Entire Group more group attempts remair The Correct Answer and Explanation is: Correct Answers: Explanation In acid-base chemistry, conjugate acid-base pairs are related by the gain or loss of a proton (H⁺). 1.

Anna Scientist Kathod Thinking: Testing the Safety of Bisphenol A What are you doing? Hutiana has designed an experiment to test her hypothesis about the effects of BPA on mice. They administered daily doses of BPA to these mice and observed any abnormalities that occur during BPA exposure. The labels below can be dragged to

6) How are a parallelogram and a trapezoid different? A A trapezoid has ony 1 pair of parallel sides, but a paralelogram has 2. C.B.A parallelogram has 4 right angles, but a trapezoid doesn’t need to have 4 right angles CA parallelogram has only 1 pair of parallel sides, but a trapezoid has 2 D

Through middle of which country does Tropic of Cancer passes? Mention the states of that country through which Tropic of Cancer passes. The Correct Answer and Explanation is: The Tropic of Cancer passes through the middle of India. Specifically, it traverses the following states: Explanation: The Tropic of Cancer is located at 23.5 degrees North