56. 2MnO_(4)^-(aq)+10Br^-(aq)+16H^+(aq)arrow 2Mn^2+(aq)+5Br_(2)(aq)+8H_(2)O(l) How many electrons are transferred in the reaction represented by the balanced equation above? (A) 8 (B) 5 I (C) 10 (D) 6 (E) 12

How many protons does an element have if it has an atomic number of 12? square 6 12 25

To what temperature in {}^circ C must a balloon, initially at 9.00^circ C and 4.00 L, be heated in order to have a volume of 6.00 L? 696 720. 423 150.

Given the Haber reaction at equilibrium: N_(2)(g)+3H_(2)(g)leftharpoons 2NH_(3)(g)+heat Which stress on the system at equilibrium favors the production of NH_(3)(g) A. decreasing the concentration of H_(2)(g) B. increasing the concentration of H_(2)(g) C. increasing the pressure on the system D. increasing the temperature of the system

d Choose the mass interpretation for this equation. 2times 34.1gH_(2)S+4times 32.0gO_(2)arrow 2times 64.1gSO_(2)+3times 18.0gH_(2)O 3times 34.1gH_(2)S+4times 32.0gO_(2)arrow 3times 64.1gSO_(2)+3times 18.0gH_(2)O 2times 34.1gH_(2)S+3times 32.0gO_(2)arrow 2times 64.1gSO_(2)+2times 18.0gH_(2)O 3times 34.1gH_(2)S+2times 32.0gO_(2)arrow 3times 64.1gSO_(2)+3times 18.0gH_(2)O

How many mmHg are in 1.6320 atm? 12.241 mmHg 165.36 mmHg 465.69 mmHg 1.240.3 mmHg

38. What is the best explanation for why molecules form covalent bonds? a. To ensure solubility in water b. To create the strongest possible intermolecular forces c. To achieve a stable electron configuration similar to noble gases d. To maintain the highest possible boiling point

Which one of the following is most soluble in hexane (C_(6)H_(14)) CH_(3)CH_(2)OH CH_(3)CH_(2)CH_(2)CH_(2)CH_(2)OH CH_(3)CH_(2)CH_(2)CH_(2)OH CH_(3)CH_(2)CH_(2)OH CH_(3)OH

A graduated cylinder is filled with water to the 25.0 mL mark. After 27.5 g of titanium dioxide (TiO_(2)) is added, the volume is 31.5 mL. Calculate the density of the TiO_(2) to the correct number of significant figures. 0.873g/cm^3 0.87g/cm^3 4.2g/cm^3 4.23g/cm^3 3.1g/cm^3

Identify the group or period that begins with the element Be. period 1 group 3A period 2 group 1A period 3 group 2A

Hot Questions

When you balance the Separate Water simulation how many individual oxygen atoms do you need on the products side to complete the balanced equation? 1 2 3 4

Determine which type of property each statement describes by typing "physical or "chemical" in the blank. Hydrogen is a colorless tasteless, and odorless gas. $\square $ Hydrogen is very combustible in the presence of oxygen. $\square $ Hydrogen is very reactive with most elements. $\square $ Hydrogen is the least dense of all elements. $\square $

Which of the following is an empirical formula? $C_{3}H_{6}$ $C_{3}H_{8}$ CH $C_{2}H_{4}$

Which of the following has the most mass per mole? Oxygen Nitrogen Carbon Potassium

What is the electron configuration for oxygen, O? $1s^{2}2s^{2}2p^{3}$ $1s^{2}2s^{2}2p^{6}3s^{2}$ $1s^{2}2s^{2}2p^{4}$ $1s^{2}2s^{2}2p^{6}3s^{2}$

Gasoline, paints, thinners solvents, natural gas acetylene are all examples of potential: A. Toxic hazards. B. Flammable hazards. C. Combustible hazards. D. All of the above. E. None of the above.

Trans fats and partially hydrogenated oils are the same thing. False True

Is this compound ionic or covalent? $NO_{2}$ ionic covalent

(b) $H_{3}C-CH-CH_{2}-CH_{2}-CH_{3}\\ H_{2}C-CH_{3}$ 2-Ethylpentane Spell out the full name of the compound. The correct name is $\square $

Question 2 (Multiple Choice Worln 2 Points) (05.01 LC) Which of the following groups have seven valence electrons and are very reactive? Column 1 alkali metals Column 2 alkaline earth metals Column 17 halogens Column 18 noble gases