What is the velocity of a rocket that goes 700 km north in 25 second

Which of the are not true in regarding to atomic raqdii of main group elements. a. Atomic radii generally increase as you move from left to right across a period b.

2. Peppered moths are typically either white with black speckles or black with white speckles. Before the Industrial Revolution, the lighter moths were more prevalent. After the Industrial Revolution, the darker moths thrived in cities.

If Thomson's atomic theory was accurate, what would the results of Rutherford's gold foil experiment have been

The temperature in a water bath holding a flask in which a reaction is occurring changes from 22°C to 23°C over a period of 2 minutes. What best describes the kind of reaction occurring inside the flask?

What is responsible for creating the pressure exerted by a gas?

The subatomic particle that has the least mass is the ...

Which two properties are used to define matter? has mass and conducts heat has buoyancy and volume has mass and takes up space conducts energy and has characteristic properties

Calculate the energy if 48.7 g of Al reacts in the following reaction. (Al = 26.98 g/mol) Fe2O3 (s) + 2 Al (s) →Al2O3 (s) + 2Fe (s) ∆Hrxn = - 852 kJ.

Which type of wave has a wave perpendicular to the disturbance? Surface Longitudinal Mechanical Tranverse

Caffeine's molecular formula is c8h10n4o2. the molar mass of caffeine is 194g/mol. what is the percentage of carbon in caffeine