How many kilojoules of heat are absorbed
Calcium carbide (CaC2) can be made by heating calcium oxide (lime) with carbon (charcoal).? CaO(s) + 3 C(s) + heat As†' CaC2(s) + CO(g) Î"H = +464.8 kJ
How many kilojoules of heat are absorbed in a reaction in which 65.6 g C(s) are consumed?
Expected delivery within 24 Hours
Why were the relative intensities of an element's spectral line not all the same?
As the frequency of the oscillator is varied over the range 500-1500 Hz , the wire is observed to set into oscillation only at frequency 860 Hz to 1290 Hz. What is the linear density of the wire??
Assume that air flows past the wing of an aircraft with streamline flow. If the speed of the flow past the upper surface is 120m/s, what is the required speed over the upper surface with a lift of 2000N/m3? The density of the air is 1.20kg/m3.
The heat of combustion of ethanol, C2H5OH(l) , is -1367 kj/mol. A batch of Sauvignon Blanc wine contains 10.6% ethanol by mass.
A 3500 kg statue is placed on top of a cylindrical concrete (Y = 2.3 x 1010N/m2) stand. The stand has a cross sectional area of 7.3 x 10-2m2 and a height of 1.8 m. By how much does the statue compress the stand?
Natural gas is primarily methane, CH4, and is used to heat homes. A typical home is approximately 2000 ft2 and the ceilings are 8 ft high. The following data may be helpful:
In a cookbook, a poultry thawing chart states that a 10-kg turkey takes 4 days to defrost in a refrigerator. Estimate how long it would take to defrost a 2-tonne Siberian mammoth from the same initial temperature in an industrial refrigeration hal
How much boiling water would you need in order to raise the bath to body temperature (about 37)? Assume that no heat is transferred to the surrounding environment.
1923534
Questions Asked
3,689
Active Tutors
1423764
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
You are a researcher studying bicultural people who were born in Mexico and immigrated to the United States years ago.
According to The Mutual Constitution Model from Markus and Kitayama (2010), which of the following statements is true:
Question: Problematic outcomes of children of teen mothers are primarily due to _____: Group of answer choices
Briefly describe a specific ethical issue or dilemma that you may have to deal with in this profession. What ethical issues will you have to deal with
Now when analyzing formative assessment data, how do you decide whether to adjust your instruction for the entire class or to create targeted interventions
Explain a minimum of two types of social studies assessments and describe how they provide accurate and meaningful data.
As the teacher in a social studies inclusive classroom, how could you collaborate with other professionals, either in your school or outside in the community,