Questions in Grade High-school

Questions in Grade High-school

[Terjawab] Questions 1. Calculate the molar mass of an element. 2. Calculate the molar mass of a compound. 3. How do you determine the number of protons, electrons, and neutrons in an atom given its atomic number? 4. What are the key components of the Kinetic Theory?

[Terjawab] Two forms of solid carbon, diamond and graphite, differ in their physical properties due to differences in their _____.

[Terjawab] Given: - L is the midpoint of KM - M is the midpoint of LN Prove: - KL = MN

[Terjawab] When [tex]8.00 \times 10^{22}[/tex] molecules of ammonia react with [tex]7.00 \times 10^{22}[/tex] molecules of oxygen according to the chemical equation shown below, how many grams of nitrogen gas are produced? \[ 4\text{NH}_3(g) + 3\text{O}_2(g) \rightarrow 2\text{N}_2(g) + 6\text{H}_2\text{O}(g) \]

[Terjawab] Write an algebraic expression that is equivalent to the expression: \[ \cos \left( \arcsin \left( \frac{x-h}{r} \right) \right) \]

[Terjawab] Solve the following system of equations by elimination: 1. \( x - y - 2z = 4 \) 2. \( -x + 2y + z = 1 \) 3. \( x + y - 3z = 11 \)

[Terjawab] Prove that [tex]2n + 1 \leq 2n[/tex] for [tex]n \geq 3[/tex].

[Terjawab] Both Jefferson and Jackson used the slogan "equal rights for all, special privileges for none." In what respects did neither one achieve his goals?

[Terjawab] Between which pair of numbers is the exact product of 379 and 8?

[Terjawab] Is a satellite orbiting Earth free from Earth's gravity? Why or why not?