Examlex
Q34: Calculate the wavelength in meters of light
Q45: The diameter of an atom is approximately
Q45: What is the molarity of 10.9 g
Q49: What is the chemical formula for iron(III)sulfate?<br>A)Fe<sub>3</sub>S<br>B)Fe<sub>3</sub>SO<sub>4</sub><br>C)Fe<sub>2</sub>S<sub>3</sub><br>D)Fe<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub>
Q58: What is the oxidation number of the
Q59: Given the following thermochemical equations:<br><img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5343/.jpg" alt="Given
Q75: What is the molarity of formaldehyde in
Q89: When the equation CS<sub>2</sub> + Cl<sub>2</sub> →
Q109: Butane (C<sub>4</sub>H<sub>10</sub>)is used as a fuel where
Q116: An atom of <sup>131</sup>I contains _ neutrons.<br>A)53<br>B)184<br>C)78<br>D)124<br>E)131