NahlahZ631357 NahlahZ631357

29-10-2022
Chemistry

Answered

Approximately, how much heat energy is provided by a hot-water bottle in which1L of hot water has been placed, as it cools to body temperature from 100°C.(Note: 4.2J 1 calorie.)(i) in Joules (ii) calories?

Answer :

Other Questions

A 44.0 g sample of an unknown metal at 100.0 °C isplaced in a constant pressure calorimeter containing 80.0g of water at 24.8 °C. The final temperature is 28.4

Compare: Set the Water temperature to 0°C and click Play. Observe the water molecules.Click Reset, The Water temperature to 100 °C, and click Play again. What d

If 75.0 mL of water increases in temperature from 23.5 °C to 28.0 °C in an insulated vessel after a piece of metal is added, calculate the reaction.

How many kilojoules of energy has to be removed to freeze 500 grams of water when it starts at 65 C°? (two steps)

what change of state of matter and what energy changes occur what water is freezes?

Which of the following is a property of ionic compounds?Group of answer choicesThey can be solid, liquid or gas at room temperature (25 °C).They react with wat

Which of the following substances would complete a circuit and allow electricity to flow? I. Potassium chloride lattice II. Lithium bromide in a solution III. D

6. Everclear grain alcohol is 190-proof (i.e., 95% ethanol by volume), which is near the practical limitfor distillation purity due to chemistry limitations. Th

A pure gold ring with a volume of 1.57cm3 is initially at 11.4 celsius. When it is put on heat, it warms to 29.5 celsius. How much heat did the ring absorb? The

You have plenty of salts that are in front of you and you are trying to figure out which salts are soluble in water, and which ones of their products are solubl