How much thermal energy is needed to raise the temperature of 4g of water

from 25°C to 75°C if water has a specific heat of 4.186 J/gºC

1. 850,000J

2. 840,000J

3. 740,000)

4. 840)

Which of the following element combinations will likely form monatomic ions not polyatomic ions? 1. Argon and krypton 2. Potassium and iodine 3. Carbon and nitrogen 4. Oxygen and nitrogen

Would you vote to change the coin content or to keep them the same? Explain.

What is the difference between metals and non metals on the periodic table

What happens to Cr3 + ion when it is converted to Cro42-

How would I solve this problem? 15 = 10z/[2 - (5x4) ]

A gas occupies 3.5 L at standard pressure. Find the volume of the gas when the pressure is 1.5 atm.

What is the temperature (in K) of 16.45 moles of methane gas in a 4.95 L container at 4.68 atm?

What do we call the process by which cells obtain the energy that they need?

Which of the following statements describes how the periodic table is organized? 1. The elements are organized alphabetically. 2. The elements are organized by their size. 3. The elements are organized by the date they were discovered. 4.

Which of the following is a mixture A aluminum B BaSO3 C Milk D table salt