How many moles of Al are needed to react completely with 1.2 moles of Fe0

Which statement about dioxins is untrue? A. They are highly toxic chemicals. B. They may be produced as a byproduct of incineration. C. They require many years to decompose. D. They are never produced in the natural environment. E. None of the above.

Write formulas for these hydrates sodium sulfate decahydrate

What is the pH of a 1.0 * 10-6 M NaOH solution? A. 6.0 B. 8.0 C. 1.0 D. 13

A client at 39 weeks gestation with preeclampsia has a blood pressure of 170/100 mm Hg, 2 + proteinuria, and moderate peripheral edema. Immediately after hospital admission, she develops seizures and uterine contractions.

What is the poH of a 4.5 x 10-3 M OH solution?

What's the difference between an iconic bond and a covalent bond? A. an iconic bond Is a bond between charged atoms, while a covalent bond is a bond between neutral atoms B.

4. Given the chemical formulas of the following compounds, name each compound and state the rules applied to determine each name. Score • RbF • CuO • (NH4) 2C2O4 (Note: C2O4 - is called oxalate.)

The earth names for the 30 alien elements in order of atomic number

Worth 30 pts. Liquid vinegar and solid baking soda chemically react to form solid sodium acetate, liquid water, and carbon dioxide gas.

The electron configurations of two unknown elements X and Y are shown. X: 1s22s22p6 Y: 1s22s22p63s23p6 Which statement is most likely correct about the two elements?