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1. Assume that the specific heat of the water(H2O) 1.00 caVg x"C then calculate how many calories of heat are needed to increases the temperature of 550 grams H2O from 12 degree celsius to 18 degree celsius?
2. Using a sample of vinegar that is found to contain 8.3% CH3COOH (acetic acid ) and have a density of 1.006 g/ml you need to calculate that how many grams of CH3COOH(acetic acid ) are present in 1.60L of this solution of vinegar?
How did " high " culture and " popular" culture coexist in muscical word 1940-1970? You must follow APA format and should consist of title page 4 pages.
Be able to conduct a one-tailed hypothesis test for the mean at the .025 significance level. State the null and alternative. State the critical value. Draw a diagram. Provide the computation of the test statistics. State your decision in terms of ..
You are a neuroengineer interested in developing better nerve stimulators for prothetic limbs, such as arms, hands or legs. You want to understnad the flow of ions across the typical nerve cell membrane during action potentials, or spikes.
Determine how would you compare the escape velocity of asteroid Y as compare to the escape velocity of asteroid X?
In the case of a locus with two alleles, P is the frequency of AA, H is the frequency of Aa, and Q is the frequency of aa. As with gene frequencies, genotype frequencies must sum to 1.
Calculate the rate constant for the reaction when the reactant concentration in a first-order reaction is given 7.30×10-2M after 15.0s and it is also reported 4.40×10-3M after 65.0s . ?
The director of a radio broadcasting company wants to determine whether the mean length of commercials on his station is equal to 24 seconds.
calculate the difference in mass that is hold by a 500.0mL flask at a temperature of 0.0°C from that at temperature of 20.0 °C? (you can assume the volume of the sample at 0.0 °C temperature =volume of the sample at 20.0°C)
Why does war occur , and how does it influence people who have been involved? Choose the war or similar conflict (Trojan War, American Civil War.
Biggio's Department Store has six employees available to assign to four departments in the store: home furnishings, china, appliances, and jewelry.
Calculate the major product in the Williamson ether synthesis between 1-bromopentane and sodium 1-phenylethoxide. correct stereochemistry of the product must be shown in its with four bonds - with H - at the chirality center.
What is the pH of the solution if [OH-] of an ammonia solution is 1.0 X 10-2M?
Calculate how many grams of Ni2+ are present in 3.36 moles of nickel(II) fluoride(NiF2) and also determine the number of moles of F- ion are present in 4.82 grams of nickel(II) fluoride.
An equilibrium mixture of this reaction(NH4HS(s)?NH3(g)+H2S(g)) at a certain temperature was found to have [H2S]= 0.350M and [NH3]= 0.276M .What is the value of the equilibrium constant (Kc) at this temperature.
To determine the volume of a gas using ideal gas law and evaluate the number of moles of a gas using ideal gas law.
Separation of acetone from water by using MIBK - How much MIBK must be used if the final acetone concentration in the water-rich phase is 5 wt%?
Compute the number of mL of 2.00M H2SO4 required neutralizing 125.5mL of 1.2M KOH
Draw the accepted mechanism for each reaction and illustrate how each stereoisomer is formed in the reaction.
Write the structures of the saytzeff elimination
Determine what is the observed rate for the given reaction - empirically determined rate
Determine how many atoms there are in 1 gallon using your knowledge of mole calculations and unit conversions. Assume that the molecular formula for gasoline = C6H14 ,the density of gasoline =0.85 grams/mL
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