PLEASE help ill give brainiest In the Lewis dot structure for H2CCH2, how many bonds are between the carbon atoms?

3
4
1
2

The pressure in a fluid is affected by which characteristics of that fluid

Suppose that during that icy hot lab 65,000 j of energy were transferred to 450 g of water at 20°c what would have have been the final temperature of the water

Which change in temperature is the smallest? a change of 1 thomson degree a change of 1 kelvin degree a change of 1 fahrenheit degree a change of 1 celsius degree