What is the symbol of the element below?  Enter the name using correct case (lowercase/uppercase). bromine

What is the symbol of the element below?  Enter the name using correct case (lowercase/uppercase). uranium

What is the name of this element, whose element symbol is shown below?  Enter the name in all lowercase. O

What is the name of this element, whose element symbol is shown below?  Enter the name in all lowercase. Cl

What is the symbol of the element below?  Enter the name using correct case (lowercase/uppercase). lithium

What is the symbol of the element below?  Enter the name using correct case (lowercase/uppercase). carbon

How many sig figs are in each of the values below?  (1 pt each) Value Number of sig figs 301.50 [sigfig1] 0.0500 [sigfig2] 2650 [sigfig3] 7.560 x 1023 [sigfig4]

Solid ammonium nitrate is commonly used as a fertilizer.  It is also used as a component of explosives in mining, and was the fuel for a massive explosion in Beirut, Lebanon in early August 2020.  Ammonium nitrate can be prepared by reacting ammonia (nitrogen trihydride) gas with concentrated (15.8 M) nitric acid.  What mass (in grams) of solid ammonium nitrate will form if 35.1 liters of ammonia at 23.1°C and 100. psi is reacted with 750. mL of concentrated nitric acid?  Assume 85.0% yield. Show all work, using dimensional analysis wherever possible, and highlight your final answer in a readable background color.

Convert 26.31 mg into amu, using dimensional analysis.  Put your final calculated answer in a readable background color. Show your work using either the equation editor, or by typing out the conversion factors as a line of text, like for example   3 cats x (7 dogs / 5 cinnamon buns) x ….  = ….                     or                

What is the name of this element, whose element symbol is shown below?  Enter the name in all lowercase. U