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3 years ago

What is the difference between the Warn-on-Forecast method and the current method of weather prediction?

Chemistry

2 answers:

mario62 [17]3 years ago

8 0

Answer:

the answer is C, Current method uses satellite images but Warn-on-Forecast uses only high resolution models

Recently did this Exam. Advanced Module Exam right?

Hope this helped!

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~Lola

Tanya [424]3 years ago

5 0

I would think the answer would be C. Based off of what I've learned and heard. Sorry if it's not the correct answer though.

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Elaborate on the suitability of "cola" type drinks to polish chrome surfaces. A) The basic pH of cola allows for easy removing o

pav-90 [236]

The answer is: <span>B) The phosphoric acid in cola easily removes dirt and grime.
</span>
Cola is a drink containing phosphoric acid in its complex composition. Acidic properties of Cola allow her to remove rust, dirt, and grime from chrome surface. In the same time, it is a very diluted solution of phosphoric acid which is very important not to damage a metal.

4 0

3 years ago

CaC2 + 2H2O ⟶ C2H2 + Ca(OH)2<br><br> How many moles of water are needed to produce 56.8g C2H2?

pshichka [43]

Amount of moles of water is 4.36 mol

Explanation: M(C2H2) = 2·12.01 + 2·1.008 = 26.036 g/mol

Amount of substance is n= m/M= 56.8 g / 26.036 g/mol= 2.18159 mol

Water is needed 2·2.18 mol = 4.36 mol

6 0

3 years ago

A beach ball has a mass of 5 g and a volume of 20 cm3. What is the object's density?

ivann1987 [24]

Mass = 5 g

volume = 20 cm³

density = mass / volume

therefore:

D = m / V

D = 5 / 20

D = 0.25 g/cm³

3 0

3 years ago

Sam places 5 g of baking soda in 5 g of liquid vinegar, and notices fizzing. After all the fizzing stops, 5 g of liquid remains.

anygoal [31]

Answer: G

5+5=10

10-5=5

5 g of gas escaped

3 0

2 years ago

Read 2 more answers

Please help!!!! ⚠️⚠️⚠️⚠️⚠️⚠️⚠️⚠️

Bumek [7]

Polyatomic ions: $CH_3COO^-$ , $NO_3^-$ , $NH^+$ , $CN^-$ , $Li^+$ , and $OH^-$

Monatomic ions: $Ca^{2+$ , $O^{2-$ , and $Fe^{3+$

<h3>Monoatomic vs Polyatomic Ions</h3>

In chemistry, monoatomic ions are ions that consist of only a single type of atom. They are usually positive or negatively charged and are otherwise known as simple ions. Examples include $Ca^{2+$ , $O^{2-$ , and $Fe^{3+$

Polyatomic ions, on the other hand, are ions that consist of more than one atom, unlike monoatomic ions. The two or more atoms are covalently bonded and the entire structure behaves like a single chemical entity in reactions. Polyatomic ions are otherwise known as molecular ions.

Examples of polyatomic ions are $CH_3COO^-$ , $NO_3^-$ , $NH^+$ , $CN^-$ , $Li^+$ , and $OH^-$

Thus, from the diagram:

Polyatomic ions: $CH_3COO^-$ , $NO_3^-$ , $NH^+$ , $CN^-$ , $Li^+$ , and $OH^-$

Monatomic ions: $Ca^{2+$ , $O^{2-$ , and $Fe^{3+$

More on ions can be found here: brainly.com/question/14982375

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6 0

9 months ago