46 What are the products when potassium hydroxide reacts with hydrochloric acid? (1) KH (s), Cl - (aq), and OH - (aq)

(2) K (s), Cl2 (g), and H2O (ℓ)

(3) KCl (aq) and H2O (ℓ)

(4) KOH (aq) and Cl2 (g)

Poly (lactic acid) (pla) has received much recent attention because the lactic acid monomer [ch3ch (oh) cooh] from which it is made can be obtained from carbohydrates rather than petroleum. this makes pla a more "environmentally friendly" polyester.

A) 30.22 g NaCl x 1 mol NaC l = 58.4430 Molar mass (g) NaCl=0.5171 mol NaCl B) 0.5171 mol NaCl x 1 mol Na = 1 mol NaCl=0.5171 mol Na 0.5171 mol NaCl x 1 mol Cl = 1 mol NaCl = 0.5171 mol Cl A sample of sodium chloride (NaCl) has a mass of 30.22g.

The molar mass of sucrose (C12H22O11) is 342.3 g/mol. A chemist has a 0.500-mol sample of sucrose. What is the mass, in grams, of this sample? a) 171 b) 342 c) 500 d) 684

Which of the following could be classified as matter? desk, water, idea, cloud, helium, dream

What is the purpose of a periodic table?

A 40.0 g drinking glass is filled with hot liquid. The liquid transfers 1,000. J of energy to the glass. If the temperature of the glass increases by 50.0 degrees Celsius, what is the specific heat of the glass?

What is the percent by mass of oxygen in propanal, CH3CH2CHO? (1) 10.0% (3) 38.1% (2) 27.6% (4) 62.1%

In which orbitals would the valence electrons for selenium (Se) be placed? s orbital and f orbital s orbital only s orbital and p orbital d orbital only

Hydrogen reacts with chlorine to form hydrogen chloride (HCl (g), Delta. Hf = - 92.3 kJ/mol) according to the reaction below. Upper H subscript 2 (g) plus upper C l subscript 2 (g) right arrow 2 upper H upper C l (g). Which statement is correct?

Below is the lewis structure of the fluoramine nh2f molecule. nfhh count the number of bonding pairs and the number of lone pairs around the left hydrogen atom.