Calculate heat released by metal
An iron bar of mass 869 - g cools from 90 oC to 5 oC > Calculate the heat released (in kilojoules) by the metal. ( specific heat = 0.44 J/(g. c)
Expected delivery within 24 Hours
How many kilojoules are needed to raise the temperature of 325 g of water from 15.0C to 77.0C? How many kilojoules are needed to raise the temperature of 325 g of water from 15.5C to 77.5C?
Based on mole ratios. A sample is 59.53% C, 5.38%H, 10.68%N, and 24.40%O what is its empirical formula. A 0.2000 gram sample of a compound (vitamin C) composed of only C, H, and O is burned completely with excess O2 . 0.2998 g of CO2 and 0.0819 g of
A piece of copper wire is 25 feet long and has a diameter of 2.0mm. Copper has a density of 8.92g/cm^3. (a) how many mols of copper are there in this wire?
What percent of each reactant will remain at equilibrium? What is the free energy change for the reaction after 10% of the reactants have been converted to products?
A 4.22g sample of CuS was added to excess HCl, and the resulting H2S was collected over water. What volume of H2S was collected at 32 degrees celsius when the atmospheric pressure was 749 torr (1atm=760torr)? The vapor pressure of water at this t
The molecular weight of citric acid is 0.030M. How many grams of citric acid (molecular weight = 192) are present in a 120ml serving assuming its density is the same as that of water?
Methyl alcohol (CH3OH) is made by reacting carbon monoxide with H2. Starting with 2.5 g of H2 and 30 L of CO, what mass of methyl alcohol could be produced at STP? which is the limiting reactant?
Draw three simple molecules that illustrate the geometry of each states.Define" reduction" with reference to organic reactions.
1947145
Questions Asked
3,689
Active Tutors
1444324
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Question: Florida panthers exhibit several recessive deleterious traits due to a severe bottleneck in the population.
What type of resources are considered expendable, such as foam concentrate, decon solutions, and limited-use protective clothing?
Students should demonstrate an understanding of how organisms are related through shared ancestry and should be able to articulate these concepts
A population of mountain lions is living in a region where their preferred food source is deer. Researchers collected the following abundance data
For 10th grade biology lesson, Students will be able to explain what a phylogenetic tree is and the purpose it serves in biology.
Question: What are the transverse tubules? Group of answer choices tunnels of the sarcolemma through the cytoplasm expanded
The terminal cisternae are part of: Group of answer choices the sarcolemma the sarcomere the sarcoplasm the sarcoplasmic reticulum.