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Delicious77 [7]
2 years ago
11

A city water district wants to encourage local businesses and homeowners to landscape with drought-tolerant plants. After disapp

ointing results from a publicity campaign, the water district decides to subsidize local plant nurseries so they can offer the plants at a lower price.
Suppose the graph shows the supply and demand curves for a drought-tolerant plant, such as purple sage. Drag the appropriate curve to show the impact of the water district subsidy.

Chemistry
1 answer:
tino4ka555 [31]2 years ago
3 0

Answer:

the complete question is found in the attachment

Explanation:

the complete explanation is found in the attachment

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(g) On the graph in part (d) , carefully draw a curve that shows the results of the second titration, in which the student titra
atroni [7]

Answer:

Here's what I get  

Explanation:

(g) Titration curves

I can't draw two curves on the same graph, but I can draw two separate curves for you.  

The graph in part (d) had an equivalence point at 20 mL.

In the second titration, the NaOH was twice as concentrated, so the volume to equivalence point would be half as much — 10 mL.

The two titration curves are below.

(h) Evidence of reaction

HCl and NaOH are both colourless.

They don't  evolve a gas or form a precipitate when they react.

The student probably noticed that the Erlenmeyer flask warmed up — a sign of a chemical change.

4 0
2 years ago
How many ions are there in 0.187 mol of Na+ ions
kondaur [170]
Best Answer
1 mole of a substance contains 6.022x10^23 "units" of that substance.

So 0.187 mol of Na+ is 1.13x10^23 ions (6.022x10^23 x 0.187).
4 0
2 years ago
Read 2 more answers
A gold ingot weighs 5.50 ibs. If the density of gold is 19.31 g/cm^3, and the length and width of the ingot are 12.0 cm and 3.00
Aliun [14]

Answer:

A) 3.59 cm

Explanation:

Given that :-

The density of the gold ingot = 19.31\ g/cm^3

Given that:- Mass = 5.50 lbs

Also, considering the conversion of lbs to g as shown below:-

1 lb = 453.592 g

Thus,

Mass = 5.50\times 453.592\ g = 2494.756 g

The volume = Length*Breadth*Height

Given that:- Length = 12.0 cm , Breadth = 3.00 cm

Considering the expression for density as:-

Density=\frac{Mass}{Volume}

19.31=\frac{2494.756}{12.0\times 3.00\times Height}

Solving for height, we get that:-

Height=3.59 cm

3 0
2 years ago
An ion has 24 protons and 19 electrons. Write the symbol for this ion.
Lerok [7]

Answer:

+5

Explanation:

it hs 5 more protons thant electrons, so it has a positive charge of 5

5 0
2 years ago
A soft drink contains 11.5% sucrose (C12H22O11) by mass. How much sucrose, in grams, is contained in 355 mL (12 oz) of the soft
luda_lava [24]

Answer:

42.5 g

Explanation:

Calculate the mass of the soft drink given the density and volume:

355 mL × 1.04 g/mL = 369.2 g

Now calculate the mass of sucrose given the percentage:

0.115 × 369.2 g = 42.46 g

Rounded to 3 significant figures, the mass is 42.5 g.

5 0
2 years ago
Read 2 more answers
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