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2 years ago

Which can be excluded from the list of underground materials that holds water in the Ogallala aquifer?

Chemistry

1 answer:

viva [34]2 years ago

6 0

Answer:

B silt

Explanation:

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1 How is the density of a substance calculated?

user100 [1]

Sorry for the scribbles lol

4 0

2 years ago

PLEASE HELP ASAP PLEASE

USPshnik [31]

Answer:

If it served you, give me 5 stars please, thank you!

m = 25  Kg

8 0

2 years ago

What is the net ionic equation for this reaction? FeCl3 + 3NaOH → Fe(OH)3 + 3NaCl

jok3333 [9.3K]

Answer:

2.6299

its easy

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1 year ago

How many moles of Cu do you need to react with 12 moles of O2? 2Cu(s) + O2(g) 2CuO(s)

zzz [600]

Answer:

24 mol Cu

General Formulas and Concepts:

Chemistry

Stoichiometry

Explanation:

Step 1: Define

RxN: 2Cu (s) + O₂ (g) → 2CuO (s)

Given: 12 moles O₂

Step 2: Stoichiometry

$12 \ mol \ O_2(\frac{2 \ mol \ Cu}{1 \ mol \ O_2} )$ = 24 mol Cu

Step 3: Check

We are given 2 sig figs.

Our final answer is in 2 sig figs, so no need to round.

3 0

2 years ago

Determine whether each of the properties described applies to volumetric or graduated glassware. 1. Used for applications in whi

kogti [31]

Answer:

1) volumetric

2) graduated

3) volumetric

Explanation:

A volumetric glassware is a glassware that is marked at a particular point. A typical example of a volumetric glassware is the volumetric flask. A volumetric glassware is capable of measuring only a specific volume of a liquid.

On the other hand, graduated glassware can measure a range of volumes of liquid. However, a volumetric glassware is still required where a high degree of accuracy is important.

5 0

2 years ago