How many joules of heat are needed to increase the temperature of 19.3 g of lead from 22°C to 41°C? (Specific heat of lead = 0.128 J/g•°C ROUND
YOUR ANSWER TO A WHOLE NUMBER DO NOT FORGET UNITS q = MCT

Perform the following mathematical operations and report the answer to the appropriate number of significant figures 5.87998 + 3.100

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium

Use the de broglie's wave equation to find the wavelength of an electron moving at 4.5 × 106 m/s. show your work. note: h= plank's constant (6.62607 x 10-34 j s)