A 290kg bookshelf is resting on a 10.0 kg dolly with wheels. A person pushes on the bookshelf and dolly with a force of 20.0 N to the right. What is the speed of the bookshelf in m/s after 1 second?
Can someone help me with finding the T#D’s, BD’s and NBD’s I don’t understand how to do it can someone please help me.
Provide a summary as to how the bond dipoles affect the molecular dipose. also, describe how the geometric orientation of the bonded atoms affect the molecular dipole?
How do scientists produce new genetic variations not found in nature? By A) transforming RNA B) using gel electrophoresis. C) using lasers to cut and paste DNA. Eliminate D) causing mutations with chemicals or radiation.
How much heat is evolved when 22.5 grams of a food sample changes the temperature of 0.79 KG of water by 4 degree C. Assuming specific heat to be 4.18 j/g/C
What is the electric field strength in the proton’s reference frame? express your answer as an integer and include the appropriate units?
A glass flask whose volume is 1000.44 cm3 at 0.0∘c is completely filled with mercury at this temperature. when flask and mercury are warmed to 56.0 ∘c, 8.80 cm3 of mercury overflow.
Heat is added isothermally to 4.40 mol of a monatomic ideal gas. the temperature of the gas is 372 k. how much heat must be added to make the volume of the gas double?
5 Questions to answer please 1) Electrons are transferred in the formation of ______________ bonds. A) ionic B) covalent C) metallic D) all chemical 2) Which pair below describes isotopes of the same element? A) an atom with 6 protons and 8 neutrons – an atom with 8 protons and 6 neutrons B) an atom […]
How many grams of ethylene glycol (c2h6o2) must be added to 1.05 kg of water to produce a solution that’s freezes at -3.68 degrees Celsius
