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How does melting order relate to melting point? A. The substance that melted the quickest has the highest melting point. B. The substance that took the longest to melt has the highest melting point. C. The substance that melted third to last has the lowes...

5 years ago

Magnesium has two valence electrons and oxygen has six valence electrons. The electronegativity difference between the two elements is 2.13. How can the octet rule be used to explain the bonding between magnesium and oxygen? A. Oxygen needs access to two...

5 years ago

What is the three-dimensional structure of the nuclei of atoms in a molecule or polyatomic ion called? Lewis Dot structure bond length molecular geometry molecular formula Molecular geometry?

5 years ago

What is the oxidation state of an element? the total number of protons an atom can gain or lose during a chemical reaction the total number of electrons an atom loses or gains during a chemical reaction the number of elements oxygen can bond with to form...

5 years ago

Phosphate (PO4)3– is a polyatomic ion with a 3– charge. What is the chemical formula for the ionic compound lithium phosphate? Li3PO4 LiPO4 Li(PO4)3 Li2PO4 would it be Li(PO4)3?

5 years ago

Jamal wants to know if x−3 is a factor of the polynomial P(x)=x3−7x+6. Jamal calculates P(3) and applies the Factor Theorem to conclude that x−3 is a factor of P(x). Is he correct? Why or why not? No, because P(3) is equal to 0. No, because P(3) is not eq...

5 years ago

Omar wanted to know if x−5 is a factor of the polynomial p(x)=x3−6x2−x+30. He applied the Factor Theorem and concluded that x−5 is a factor of p(x), as shown in the following work. Step 1: p(5)=53−6(52)−5+30 Step 2: p(5)=125−150−5+30=0 Step 3: p(5)=0, so...

5 years ago

How can the relationship between synthesis and decomposition reactions be described? Synthesis reactions happen when substances combine to make a new substance. Decomposition reactions occur when a substance breaks apart to make new substances. Thus, the...

5 years ago

If Ag2O decomposes, what is the balanced equation that shows the products formed? Ag2O(s) → 2Ag(s) + O(g) 2Ag2O(s) → 4Ag(s) + 2O(g) Ag2O(s) → Ag2(s) + O(g) 2Ag2O(s) → 4Ag(s) + O2(g) would it be 2Ag2O(s) → 4Ag(s) + 2O(g)?

5 years ago

What is a synthesis reaction? a reaction that occurs when one element within a compound is exchanged with another element a reaction that occurs when a single substance breaks apart and forms two or more new substances a reaction that occurs when a substa...

5 years ago

What is a factor that drives chemical reactions? tendency to have less energy tendency to have less mass tendency to burn tendency to condense Tends to burn right?

5 years ago

What equation correctly represents the reaction of lithium hydroxide (LiOH) with hydrogen chloride (HCl)? LiOH + HCl → LiCl + H2O LiOH + H2O → LiCl + HCl LiCl + HCl → LiOH + H2O LiCl + H2O → LiOH + HCl

5 years ago

How is the law of conservation of mass used to balance a chemical equation? In a chemical equation, the products formed have the same atoms as the original reactants; however, the atoms may be rearranged. The law of conservation of mass states that the co...

5 years ago

NH4OH(aq) → H2O(l) + NH3(g) What coefficients will balance the equation? 1, 2, 2 3, 3, 4 2, 1, 2 1, 1, 1 is it 212

5 years ago

PCl5 + H2O → H3PO4 + HCl What coefficients will balance the equation? 1, 4, 1, 5 1, 5, 1, 1 2, 5, 1, 2 2, 4, 2, 5 is it 1425

5 years ago

the total number of electrons an atom loses or gains during a chemical reaction?

5 years ago