In the following chemical reaction, H2O+CO2arrow C6H12O6,CO2 is best described as? reactant enzyme catalyst product element
Reactivity is due to the momentum of collisions and because the square particles have a square momentum, they have a greater reactivity.
The most negative electron affinity is most likely associated with which type of atoms? large nonmetal atoms small nonmetal atoms large metal atoms small metal atoms
7. What occurs when an electrolytic cell is used for silver-plating a spoon? (1) A chemical reaction produces an electric current. (2) An electric current produces a chemical reaction. (3) An oxidation reaction takes place at the cathode. (4) A reduction reaction takes place at the anode.
Which of the following is an example of an electron configuration in the excited state? 2-8-8-1 2-8-7-1 2-8-8-2 2-8-11-2
2. Which of the following is an inorganic compound? a) water b) glucose c) a protein d) DNA
CHAPTER 3.5 - THE MOLE 1. How many molecules of CH_(4) are there in 250 moles of methane?
Which molecule(s) exhibit hydrogen bonding? Multiple Choice CH_(4) CHCl_(3) NF_(3) HF All of the molecules exhibit hydrogen bonding.
What makes carbon bonds unique? carbon can form up to 4 single bonds carbon bonds are strong carbon bonds are unreactive all of the above
What are the products of a combustion reaction? C 2CO+H2O CO2 H2O CO2+H2O
What is the formula to calculate pH? $pH=-log[H^{+}]$ $pH=log[H_{2}O]$ $pH=-log[H_{2}O]$ $pH=log[H^{+}]$
What is the name of the compound $C_{3}H_{6}$ ? tricobalt hexahydroxide tricarbon hexahydride hexacarbon trihydride tricarbon hexahydroxide
31. Determine the empirical formulas for the following compounds: (a) caffeine, $C_{8}H_{10}N_{4}O_{2}$ (b) sucrose, $C_{12}H_{22}O_{11}$ (c) hydrogen peroxide, $H_{2}O_{2}$ (d) glucose, $C_{6}H_{12}O_{6}$ (e) ascorbic acid (vitamin C), $C_{6}H_{8}O_{6}$
Use the drop-dowr menus to label each of the following changes P for physical change and C for chemical change. $\square $ The substance changes to a new substance. $\square $ The original substance can be recovered. $\square $ The color changes. $\square $ Gas is produced and given off. $\square $ The substance changes size, shape, or volume.
An atom has the electron-dot symbol shown below. If this atom Is a main group element, what charge will It form in its IonIc state? $\dot {X}$ Multiple Choice $-1$ $-3$ $-5$ $-3$ $-5$
Consider the reaction $H_{2}(g)+I_{2}(g)\Leftrightarrow HI(g)$ with an equilibrium constant of 46.3 and a reaction quotient of 525.Which direction will the system shift to? The equilibrium will shift to the left to favor the reactants. The equilibrium will shift to the right to favor the products. The equilibrium will not shift in any direction. The equilibrium will shift to the forward reaction.
What color are wet chemical fire extinguishers for Class K fires? Red White Silver Blue
What are the strongest intermolecular forces that cadmium chloride $(CdCl_{2})$ has? Cd is a transition metal. London Dispersion forces C Ion-ion Ion-dipole Dipole-dipole
Question 21 If X and Y are placed in a sealed container with an initial volume of 3.0 L at STP, what volume of Z will be produced? 3L 1L Points 3
Convert 49 L of $H_{2}O$ to grams (Multi-Step Conversion) Answer
