If 6.00 Lof H_(2)O gas at 50.2^circ C and a pressure of 0.12 atm reacts completely with Fe according to the balanced equation shown, what mass in grams of iron (III) oxide would be produced? 2Fe(s)+3H_(2)O(g)arrow Fe_(2)O_(3)(s)+3H_(2)(g) mass: square g

Which statement about the self-ionization of water is correct? Two water molecules interact to form a water molecule and a hydroxide ion. Two water molecules interact to form a hydronium ion and a hydroxide ion. Two water molecules interact to form two hydronium ions. Two water molecules interact to form two hydroxide ions.

Which describes an alkaline solution? pH less than 7 pH equal to 7 basic acidic

Which element is magnetic? calcium copper carbon cobalt

Answer the lab question ("What is the effect of temperature on the solubility of a solid in a liquid?")with a hypothesis: square

Which refers specifically to a solution with as much dissolved solute as it can hold at a given temperature? supersaturated saturated heterogeneous homogeneous

Which refers specifically to a heated solution that holds more dissolved solution than it can hold at a lower temperature? supersaturated undersaturated heterogeneous homogeneous

Which is a property of every mixture? One substance dissolves in another substance. The molecules of one substance break down in the other. Different samples of a single mixture have different characteristics. One substance can be separated from another through physical means.

For the chemical reaction Ca(s)+1/2O_(2)(g)arrow CaO(s)Delta H^circ =-635kJ/mol What is the molar enthalpy (inkJ/mol) for the reaction 2CaO(s)arrow 2Ca(s)+O_(2)(g)

Select all of the true statements regarding chemical equilibrium. The concentrations of reactants and products are equal. The concentrations of reactants and products remain constant. Reactants are being converted to products and vice versa. The rates of the forward and reverse reactions are equal.

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Which best compares and contrasts how John Newlands and Dmitri Mendeleev organized eleme Both Newlands and Mendeleev arranged elements according to their chemical properties, but used atomic mass as well. Both Newlands and Mendeleev arranged elements according to their atomic masses, but only chemical properties as well. Both Newlands and Mendeleev organized elements into groups, but only Newlands used a tak columns. Both Newlands and Mendeleev organized elements into a table with rows and columns , but ol named different groups of elements.

The following chemical reaction takes place in aqueous solution: $FeBr_{2}(aq)+(NH_{4})_{2}S(aq)\rightarrow FeS(s)+2NH_{4}Br(aq)$ Write the net ionic equation for this reaction.

How many atoms would be in 3 moles of Oxygen? (3) $(6.02\times 10^{24})$ of 0 atoms (2) $(6.02\times 10^{23})$ of 0 atoms (3) $(6.02\times 10^{23})$ of 0 atoms (4) $(6.02\times 10^{23})$ of 0 atoms

A chemical equation is balanced when: A The number of atoms of each element is the same on both sides B The coefficients are all "1" on both sides C The coefficients add up to the same number on both sides D The subscripts are all identical on both sides

14. What is the concentration of $H_{3}O^{+}$ ions in the 0 .003 M $H_{2}SO_{4}$ solution? What is the pH of this solution?

The products of the reaction: $Ag+HCl\rightarrow $ ? are: A $AgCl_{3}$ and $H_{2}$ B AgH and $Cl_{2}$ C no reaction

What are the two types of luster? Shiny and Dull Metallic and Non-metallic Earthy and Non-Earthy Dark and Light Colored

$2Na+2H_{2}O\rightarrow 2NaOH+H_{2}$ If we start with 20 moles of Na, how many moles of NaOH will be produced? A 10 moles B 5 moles C 20 moles D None of the above

When sugar is burned , water vapor and carbon dioxide are produced. A sugar molecule has a specific number of carbon, hydrogen, and oxygen atoms. Use the balanced chemical equation to identify the number of carbon , hydrogen, and oxygen atoms in sugar. $sugar+12O_{2}\rightarrow 11H_{2}O+12CO_{2}$ Sugar has $\square $ carbon atoms. Sugar has $\square $ hydrogen atoms. Sugar has $\square $ oxygen atoms.

Elsa has a jar of honey that was left outside on a hot summer day. She notices that there are now sugar crystals at the bottom of the jar.What type of solution is the honey? unsaturated saturated supersaturated polyunsaturated