What is its temperature change
If 84 of heat are added to a pure gold coin with a mass of 15 , what is its temperature change? Specific heat capacity of gold is 0.128
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A rifle with a barrel length of 64 cm fires a 12 g bullet with a horizontal speed of 350 m/s . The bullet strikes a block of wood and penetrates to a depth of 10 cm .
A radical chain polymerization following Rp [M]Kp(fKd[I]/Kt)rised to 1/2 shows the indicated conversions for specified initial monomer and initiator concentrations and reaction times:
A 50.0g silver object and a 45.0 g gold object are both added to a 55.5 mL of water contained in a graduate cylinder.
The enthalpy of formation of ethanol, C2H5OH, is 277.o kJ/mol at 298.15K. Calculate the enthalpy of combustion of one mole of ethanol, assuming that the products are CO2 and H2O.
Gayle runs at a speed of 4.80 m/s and dives on a sled, initially at rest on the top of a frictionless snow covered hill. After she has descended a vertical distance of 5.00 m, her brother, who is initially at rest, hops on her back and together th
A 280-{rm mL} flask contains pure helium at a pressure of 753 {rm torr}. A second flask with a volume of 480 {rm mL} contains pure argon at a pressure of 723 {rm torr} what is the partial pressure of He
A student places 59.5 g of a diatomic gas into a 10.0-L container at 298 K and measures the pressure to be 2.053 atm. Determine the identity of the diatomic gas.
What is the "Magnolia myth," and how does it differ from what has been taught in American History textbooks about slavery since the 1970's?
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When a counselor asks a client to pretend to interview for a job, and the counselor pretends to be an employer,
Comment on Parenthetical style: "The inclusion of plants in an indoor environment may positively impact our psychological response
Consciousness is an especially important team member characteristic. Research indicates that mixing highly conscious individuals in a team
Dr. Smith is interested in determining whether male college students who have a significant stuttering problem are also likely to be introverted.
Question: Substance abuse program for teenagers struggling with addiction. - e.g., what is the rationale or interest in this project?
Question: Jarrett generally feels a sense of competence and confidence when imagining or engaging in communication.
How does the level of parental involvement impact middle school students' academic performance and overall educational experience?