A chemist mixes 100 g of water at 80C with 50 g of water at 20C. Use the formula m1 (T1 − T) = m2 (T − T2) to find the final temperature of the water after mixing. In this equation, m1 quantity of water at the hotter temperature, T1 temperature of the hotter water, m2) to find the final temperature is the is the is the quantity of water at the cooler temperature, T2 is the temperature of the cooler water, and T is the final temperature of water after mixing
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
A chemist mixes 100 g of water at 80C with 50 g of water at 20C. Use the formula m1 (T1 − T) = m2 (T − T2) to find the final temperature of the water after mixing. In this equation, m1 quantity of water at the hotter temperature, T1 temperature of the hotter water, m2) to find the final temperature is the is the is the quantity of water at the cooler temperature, T2 is the temperature of the cooler water, and T is the final temperature of water after mixing
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