Which of these equations is balanced?

a. 4H2+Cl2-->2HCl

b. H2+Cl2-->2HCL

A. a

B. b

C. a and b

D. neither

A carbon atom can form four covalent bonds. How many valence electrons does a carbon atom have?

Write 13.8% as decimal.

5. Twenty-five sixth-grade students entered a math contest consisting of 20 questions. The student who answered the greatest number of questions correctly will receive a graphing calculator.

2. What is the probability of rolling a sum greater than 7 with two dice if the first die rolled is a 3?

erica has only $5 and $10 in her wallet. If sge has 23 bills totaling $190, how many of each bill does she have?

Follow the steps to find the value of x. x 1. Addition property of equality. 1 (x) - 2 = 1 4 + = + 2 2 4 2 3 3 2. Multiplicative property of equality. The solution is x =

Find the value of the underlined number 789,233 the 8 is underline

Mengapa asmaul husna di sebut nama nama allah yang baik

What two fractions make 1/3

Describe a real life sittuation that can be modeled by the equation 2x plus 5 equals 10