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what is the Structural formula for \newline 2,4 - dihydroxybenzoic acid

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3.10 For $H_2O$, determine the specified property at the indicated state. Locate the state on a sketch of the $T-v$ diagram. (a) $p = 300 \text{ kPa}$, $v = 0.5 \text{ m}^3/\text{kg}$. Find $T$, in $^\circ C$. (b) $p = 28 \text{ MPa}$, $T = 200^\circ C$. Find $v$, in $\text{m}^3/\text{kg}$. (c) $p = 1 \text{ MPa}$, $T = 405^\circ C$. Find $v$, in $\text{m}^3/\text{kg}$. (d) $T = 100^\circ C$, $x = 60\%$. Find $v$, in $\text{m}^3/\text{kg}$.

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Economic surplus Group of answer choices is equal to the sum of consumer surplus and producer surplus. is the difference between quantity demanded and quantity supplied when the market price for a product is greater than the equilibrium price. does not exist when a competitive market it in equilibrium. is equal to the difference between consumer surplus and producer surplus.

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Question 1 All of the following statements are true EXCEPT A proton carries a +1 charge and an electron carries a -1 charge. The nucleus of an atom has a negative charge. An atom is mostly empty space A neutron is an uncharged particle More than 99.9% of an atom's mass is concentrated in the nucleus.

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18. What's the female gametophyte in angiosperms? A. Carpel B. Embryo sac C. Stigma D. Ovary

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5. An insurer has an expense ratio 32% and pays a dividend ratio of 1%. If they have the following loss ratio, what investment yield ratio do they need to break even? a. 67% (0%) b. 70% (3%) c. 73% (6%) *correct answers are in parenthesis*

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A310 Organic Chemistry I Lab Extraction Demo NAME 1. If toluene and water are added to a separatory funnel, which liquid would be on the bottom (Hint: the density of toluene is 0.87 g/mL). 2. Would you expect 9-anthracenecarboxylic acid to be more soluble in water or toluene? 3. With the addition of 10% NaHCO3(aq), the conjugate base of 9-anthracenecarboxylic acid is formed. Draw this structure below. Would you expect this species to be more soluble in water or toluene? 4. Why is it important to vent the separatory funnel often when extracting with an aqueous solution of NaHCO3? 5. Circle the stronger acid. Indicate which will be extracted with 10% NaOH and which will be extracted with 10% NaHCO3.

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Construct the expression for Kp for the following reaction. 2 O$_3$(g) $\rightleftharpoons$ 3 O$_2$(g) 1 Drag the tiles into the numerator or denominator to form the expression. Each reaction participant must be represented by one tile. Do not combine terms. K$_p$ = RESET P$_{O_3}$ 2(P$_{O_3}$) 3(P$_{O_3}$) (P$_{O_3}$)$^2$ (P$_{O_3}$)$^3$ P$_{O_2}$ 2(P$_{O_2}$) 3(P$_{O_2}$) (P$_{O_2}$)$^2$ (P$_{O_2}$)$^3$

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Question 5: Given the enthalpies of formation data table below, calculate the change in enthalpy of the reaction, 2 $C_6H_6(l)$ + 15 $O_2$ $\rightarrow$ 12 $CO_2(g)$ + 6 $H_2O(l)$, in kJ/mol rxn. Show work. Compound $\Delta H_r$ (kJ/mol) Compound $\Delta H_r$ (kJ/mol) $C(g)$ 718.4 $CO_2(g)$ -393.5 $O(g)$ 247.5 $CO_2(s)$ -419.6 $H(g)$ 217.9 $H_2O(g)$ -241.8 $C_6H_6(g)$ 82.9 $H_2O(l)$ -285.8 $C_6H_6(l)$ 49.0 $H_2O(s)$ -291.8 Question 6: Consider the gas phase reaction shown below. Using the average bond enthalpy values found in Table 5.4 of the textbook, calculate the enthalpy change of the reaction in kJ/mol rxn. Show work.

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Chun tells you she thinks she has a peptic ulcer. She says she is going to take a yoga class to reduce her stress and stop eating spicy foods to treat it. What would you tell her? a. She should make the suggested diet and lifestyle changes and can take some ibuprofen for the pain. b. She should make these diet and lifestyle changes but should also see a doctor for antibiotics c. She should not make any lifestyle changes and take an antacid before each meal. d. She should make these diet and lifestyle changes to heal her ulcer.

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michael v.