Recent Posts

Title Description Creator created Image
Electric Charge Calculator This calculator determines the total electric charge (Q) transferred in an electrical circuit Dr. Osama M. Khaled May 31, 2025 09:52 PM Electric Charge Calculator
Molar Enthalpy Change Calculator The molar enthalpy change (ΔH represents the heat energy (q) absorbed or released per mole of substance during a chemical reaction at constant pressure. Dr. Osama M. Khaled May 31, 2025 09:41 PM Molar Enthalpy Change Calculator
Thermal Energy Calculator This calculator computes the thermal energy (Q) transferred during heating or cooling Dr. Osama M. Khaled May 31, 2025 09:24 PM Thermal Energy Calculator
Electrical Calibration Factor Calculator An Electrical Calibration Factor Calculator is a tool used to determine correction factors for electrical measurements, ensuring accuracy in calibration processes. Dr. Osama M. Khaled May 31, 2025 12:08 PM Electrical Calibration Factor Calculator
Calorimetry Calibration Factor Calculator The Calibration Factor (CF) in calorimetry relates the measured signal (e.g., temperature change, voltage) to the actual energy released or absorbed. It is determined using a standard substance with a known heat of reaction (e.g., benzoic acid for bomb calorimetry). Dr. Osama M. Khaled May 31, 2025 10:48 AM Calorimetry Calibration Factor Calculator
Universal Gas Law Calculator The Universal Gas Equation (also called the Ideal Gas Law) describes the relationship between pressure (P), volume (V), amount of substance (n), and temperature (T) for an ideal gas. Dr. Osama M. Khaled May 31, 2025 10:22 AM Universal Gas Law Calculator
Amount of Substance Calculator In chemistry, the amount of substance is a fundamental quantity that measures the number of discrete particles (atoms, molecules, ions, or formula units) in a sample. The SI unit for the amount of substance is the mole (mol). Dr. Osama M. Khaled May 31, 2025 09:58 AM Amount of Substance Calculator
Use properties of addition to add whole numbers Two whole numbers can be added in either order because the result is the same. This is called commutative property of addition. There are other properties that can help you add whole numbers. Dr. Osama M. Khaled May 28, 2025 10:03 AM
Speed of Animals You can better understand the bar graphs through a real-life example. Dr. Osama M. Khaled May 19, 2025 04:14 AM
Reading bar graphs You need to get familiar with the bar graphs and understand some concepts in order to interpret it the right way Dr. Osama M. Khaled May 19, 2025 03:56 AM
Use estimation to solve percent application problems Sometimes we must approximate the percent to estimate an answer Dr. Osama M. Khaled May 15, 2025 02:51 AM
Estimate Answers to percent problems involving 200% Since 100% of a number is the number itself, it follows that 200% of a number would be twice the number. Dr. Osama M. Khaled May 12, 2025 06:22 AM
Estimate answers to percent problems involving 50%, 25%, and 15% To find 50% of a number, divide the number 2 Dr. Osama M. Khaled Mar 30, 2025 04:47 AM
Estimate answers to percent problems involving 1% and 10% There is an easy way to find 1% of a number that does not require any calculations Dr. Osama M. Khaled Mar 22, 2025 09:35 PM
Amazon Elastic Block Store (Amazon EBS) Primer Amazon Elastic Block Store (Amazon EBS) is an easy-to-use, high-performance, block storage service designed for use with Amazon Elastic Compute Cloud (Amazon EC2) for both throughput and transaction intensive workloads at any scale admin Mar 20, 2025 11:13 PM
Calculate the amount of discount the sale price, and the discount rate Learn the vocabulary of discount sales to be a smart shopper Dr. Osama M. Khaled Feb 21, 2025 08:28 AM
Find the percent of increase or decrease Percents can be used to describe how a quantity has changed Dr. Osama M. Khaled Dec 24, 2024 04:06 AM
Calculate commissions and commission rates Instead of working for a salary or getting paid at an hourly rate,many salespeople are paid on commission.They earn a certain percent of the total dollar amount of the goods or services that they sell Dr. Osama M. Khaled Dec 13, 2024 09:43 PM
AWS architecture practice exam 1 Dr. Osama M. Khaled Nov 10, 2024 09:59 AM
Exercises Questions covering knowledge about solid Dr. Osama M. Khaled Oct 19, 2024 08:14 AM
BPMN (Business Process Model and Notation) This quiz will remind you with the basics of the BPMN that you need to know in your analysis work. It should be fun and easy. Dr. Osama M. Khaled Oct 18, 2024 06:44 AM
Elasticity and Hooke's Law The elasticity of a substance is a measure of how well it returns to its original shape Dr. Osama M. Khaled Sep 29, 2024 01:04 PM
AWS Backup Primer Backups are an essential component of your business resiliency and operational commitments Dr. Osama M. Khaled Sep 20, 2024 03:00 AM
War on Gaza in Numbers Al Jazeera introduced a live tracker to capture statistics about the war on Gaza. Solve the questions to find the truth. The quiz is based on the latest report generated on Sept 10 2024. Dr. Osama M. Khaled Sep 19, 2024 08:36 PM War on Gaza in Numbers
Amazon Simple Storage Service (S3) Amazon S3 is an object storage service that offers industry-leading scalability, data availability, security, and performance Dr. Osama M. Khaled Sep 13, 2024 03:07 AM
AWS Database Migration Service AWS Database Migration Service (AWS DMS) is easy to use. You do not need to install drivers or applications, and it typically does not require changes to the source database. Dr. Osama M. Khaled Sep 10, 2024 11:48 PM
Pressure Pressure is the force divided by the area over which the force is applied Dr. Osama M. Khaled Sep 09, 2024 11:00 AM
AWS Well-Architected Framework The AWS Well-Architected Framework can help you understand the pros and cons of the decisions you make when building on Amazon Web Services (AWS) Dr. Osama M. Khaled Sep 02, 2024 10:26 PM
AWS Lambda AWS Lambda is an event-driven, serverless compute service that lets you run code without provisioning or managing servers Dr. Osama M. Khaled Aug 27, 2024 06:08 AM
AWS Cost Optimization A cost-optimized workload fully uses all resources, achieves an outcome at the lowest possible price point, and meets your functional requirements Dr. Osama M. Khaled Aug 23, 2024 12:20 AM