Question

In: Chemistry

1.gives the correct order for atomic radius for Mg, Na, P, Si and Ar? 2.Which one...

1.gives the correct order for atomic radius for Mg, Na, P, Si and Ar?

2.Which one of the following elements is the most metallic? a.Ar b.K c.Mg d.Al e,Na

3.A gas mixture of Ne and Ar has a total pressure of 4.00 bar and contains 16.0 mol of gas. If the partial pressure of Ne is 2.75 bar, how many moles of Ar are in the mixture?

4.Which statements about viscosity are generally true?

(i) Viscosity increases as temperature decreases.

(ii) Viscosity increases in a series of related compounds as molecular mass increases.

(iii) Viscosity increases as intermolecular forces increase.

5.The standard cell potential (E°cell) of the reaction below is -0.55 V. What is ΔG° (kJ/mol) for the reaction?

I2(s) + 2 Br-(aq) → 2 I-(aq) + Br2(l)

Solutions

Expert Solution


Related Solutions

Consider the following species: Na, Mg, Cl^-1,S,Cl,Ar,Na^+ (a) Order the above species in order of increasing...
Consider the following species: Na, Mg, Cl^-1,S,Cl,Ar,Na^+ (a) Order the above species in order of increasing atomic/ionic radius. (b) Order the above species in order of increasing electron affinity
1. which atom will have the larger atomic radius, fluorine or chlorine? explain 2. Which element...
1. which atom will have the larger atomic radius, fluorine or chlorine? explain 2. Which element will have the higher first ionization energy, silicon or phosphorous? Explain
P^3- ,Cl^-1 , Mg, Al^3+ and Na^1+ A) list them in terms of increasing 1st ionization...
P^3- ,Cl^-1 , Mg, Al^3+ and Na^1+ A) list them in terms of increasing 1st ionization energies from lowest to highest. B) list them in terms of increasing size from samllest to largest?
The atomic number of an element is 56. Which of the following statements are correct? 1....
The atomic number of an element is 56. Which of the following statements are correct? 1. One atom of this element has 56 neutrons. 2. One atom of this element has 56 electrons. 3. One atom of this element has 56 protons. 4. One atom of this element has a total of 56 protons and electrons. 5. This element is bohrium. Select one: a. all five b. 1, 4 and 5 c. 1, 2 and 3 d. 2 and 3
Which one of the following lists puts the events below in the correct order? 1. bipolar...
Which one of the following lists puts the events below in the correct order? 1. bipolar cells depolarize 2. glutamate release from the photoreceptor cell decreases 3. light strikes photoreceptor cells 4. photoreceptor cells are depolarized 5. photoreceptor cells are hyperpolarized 1,2,3,4,5               b. 2,4,3,5,1          c. 3,4,2,5,1           d. 4,3,5,2,1          e. 5,3,4,1,2 A sound wave is headed toward your ear. In which order would the signal travel through the following structures as it traveled to the auditory nerve? The structures, in alphabetical...
1. Using only the periodic table arrange the following elements in order of increasing atomic radius: (write order from smallest to largest)
  1. Using only the periodic table arrange the following elements in order of increasing atomic radius: (write order from smallest to largest) a) polonium, selenium, sulfur, oxygen b) gallium, indium, thallium, aluminum c) silicon, sodium, sulfur, argon 2. Using only the periodic table arrange the following elements in order of increasing ionization energy: (write order from lowest to highest) a) polonium, selenium, sulfur, oxygen b) gallium, indium, thallium, aluminum c) silicon, sodium, sulfur, argon 3. a) Write the complete...
The following is a chemical formula for a pyroxene: (Ca,Mg, Fe2+, Al)2(Si,Al)206 Which element(s) occupy the...
The following is a chemical formula for a pyroxene: (Ca,Mg, Fe2+, Al)2(Si,Al)206 Which element(s) occupy the tetrahedral sites? Which element(s) occupy the octahedral sites?
Come up with a 2 x 2 contingency table for which p^1=p^2 , and for which...
Come up with a 2 x 2 contingency table for which p^1=p^2 , and for which the row and column totals are not the same. Now calculate χ2*. Are you surprised? Why or why not?
Which statement is correct? Select one: a. When MR = P, the average cost curve is...
Which statement is correct? Select one: a. When MR = P, the average cost curve is at its minimum point. b. When MR = MC, the average cost curve is at its minimum point. c. When the marginal cost curve is below the average cost curve, the average cost curve must be rising. d. When the marginal cost curve is above the average cost curve, the average cost curve must be rising.
**Dimensional Analysis*** 1. Gr Vi=   Mg ( Record as a whole number ) 2. The order...
**Dimensional Analysis*** 1. Gr Vi=   Mg ( Record as a whole number ) 2. The order reads promethazine (phenergan) 12.5 mg IM for nausea now. The supply from the pharmacy is promethazine (pherergan) 50 mg/2 mL. How many mL would the nurse administer? ( Record using one decimal place) 3. The physician orders ampicillin 300 mg IM every 8 hours. The vital reads to add 4 mL of Normal saline to equal a concentration of 1g=5mL. How many mL will...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT