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2 years ago

Which of the following is the primary force that shapes the earths landscape

Chemistry

2 answers:

stealth61 [152]2 years ago

7 0

answer is running water

lutik1710 [3]2 years ago

3 0

Running water. Streams, lakes, rivers, ponds, oceans- all affect the Earth's landscape.

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If you need 0.0592 moles of nitrogen, how many grams of nitrogen do you need to mass(weigh) on the

navik [9.2K]

Urchin tc yc you txutxurzyrxtuciyvuoxutxurx

8 0

2 years ago

Wat is significant figures

Sav [38]

Answer:

0.052301 km have 5 significant figure
400 cm have 1 significant figure
50.0 m have 3 significant figure
4500.01 ml have 6 significant figure

Explanation:

According to rules of significant figure

0.052301 km have 5 significant figure:

Zero to the left of the first non zero digit not significant.
Zero between the non zero digits are significant.

400 cm have 1 significant figure:

Trailing zeros are not significant in numbers without decimal points.

50.0 m have 3 significant figure:

Trailing zeros are significant in numbers when there is decimal points.

4500.01 ml have 6 significant figure:

Zero between the non zero digits are significant.

4 0

3 years ago

21 Which process is used to determine the concentration of an acid?

Inessa05 [86]

Answer:

4) Titration

Explanation:

Titration is a common process used to determine the concentration of acids. It does this by adding a solution of base with a known concentration to the acid until it reaches neutralization.

8 0

3 years ago

If we use 18 moles of H2 how many moles of H2O do we make? Use this chemical equation: 6H2 + O2 → 3H2O

Ilya [14]

<h3>Answer:</h3>

9 mol H₂O

<h3>General Formulas and Concepts:</h3>

Math

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Chemistry

Atomic Structure

Reading a Periodic Table
Moles
Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

Stoichiometry

Using Dimensional Analysis
Analyzing reactions RxN

<h3>Explanation:</h3>

Step 1: Define

[RxN - Balanced] 6H₂ + O₂ → 3H₂O

[Given] 18 mol H₂

[Solve] mol H₂O

Step 2: Identify Conversions

[RxN] 6 mol H₂ → 3 mol H₂O

Step 3: Stoich

[DA] Set up conversion: $\displaystyle 18 \ mol \ H_2(\frac{3 \ mol \ H_2O}{6 \ mol \ H_2})$
[DA] Simplify: $\displaystyle 18 \ mol \ H_2(\frac{1 \ mol \ H_2O}{2 \ mol \ H_2})$
[DA] Divide [Cancel out units]: $\displaystyle 9 \ mol \ H_2O$

3 0

2 years ago

Read 2 more answers

An 80 kg long jumper in flight accelerates at a rate of 10 m/s^2. What is the force of the long jumper

Katarina [22]

Answer:

F = 800 N

Explanation:

Given data:

Mass = 80 Kg

Acceleration = 10 m/s²

Force = ?

Solution:

Formula:

F = m × a

F = force

m = mass

a = acceleration

Now we will put the values in formula:

F = m × a

F = 80 kg × 10 m/s²

F = 800 kg.m/s²

kg.m/s² = N

F = 800 N

6 0

3 years ago