Is CaCO3 solid or aqueous? A sample of 72 g of CaCO3 is treated with 0.500 L of a 1.00 M solution of HCl. What volume of CO2 gas, measured at 25 C and 795 mm Hg, is produced? The chemical reaction is CaCO3(s) + 2HCl(aq) CO2(g) + CaCl2(aq) + H2O(l) Use the following...
Is CaCO3 solid or aqueous? Is potassium hydroxide an acid or alkali? Is ammonia acidic or alkaline? What is the pH of a 0.2M solution of a strong acid? Would a 1.0?10-8 m solution of HCL have pH < 7, ph=7, or ph > 7? a. Arrhenius acid base reaction i. Complete the followi...
Metallic surfaces can be sprayed or dipped with aqueous dispersions of PTFE particles to form a permanent coating. Dispersions of PTFE can also be spun into fibres. It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels ...
a. Mg + 2HCl \longrightarrow MgCl_2 + H_2 b. CH_4 + O_2 \longrightarrow CO_2 + H_2O c. Mg + P_4 \longrightarrow Mg_3P_2 d. Ca + H_2O \longrightarrow Ca(OH)_2 + H_2 Write and balance the following equation. State what ...
(e.g. HBr, especially concentrated aqueous HBr), or a nucleophile such as mercaptoacetic acid di-lithium salt, potassium hydroxide, potassium tert-butoxide, or sodium or potassium thiophenolate, or a reducing agent such as LiAlH4), at or above room temperature (e.g. at reflux) with or ...
What is the value of K for this aqueous reaction at 298 K? A+B \rightleftharpoons C+D \ \ \Delta G^o =10.94 \ kJ/mol Consider the hypothetical thermochemical equation 3A + B 2C, for which H = 65.5 kJ/mol. ...
c. Aqueous barium hydroxide reacts with aqueous sulfuric acid to produce solid barium sulfate and water 80. Give the balanced equation for each of the following chemical reactions Donʼt forget your seven diatomics! Remember to balance Charges!
Toxic cyanide ion, CN^-, can be removed from wastewater by reacting it with hypochlorite, ClO^-, in aqueous basic solution. The products formed are N_2(g), bicarbonate, and chloride ion. Drano drain cleaner is solid sodium ...
Determine whether or not the following reaction is a precipitation reaction. 3H2(g)+N2(g)→2NH3(g) Precipitation reaction: Two different aqueous salt solutions are mixed to obtain a precipitate. The precipitate is a solid substance that does not dissolve in water (...
The preparation of solutions of 2-amino-5-(2-aminoethyl)-1,3,4-thiadiazole for injection or per os administration. The preparation is used in the form of 5% aqueous solution in an amount of 0.8 to 2 mg/kg; this applies to hypodermic or intramuscular injections. As regards per os administ...