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Katen [24]
3 years ago
8

Choose the most alkaline substance in the group.

Chemistry
1 answer:
vekshin13 years ago
6 0

Answer:

pH=105

Explanation:

The higher the pH, the more alkaline it is.

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State how you can tell from a dot and cross diagram that the particles in a compound are held together by ionic bonds
Darina [25.2K]

Answer:

In diagram you have to show the electrons(dots) near to the more electronegative element by this you can show that this is an ionic bond.

Explanation:

8 0
3 years ago
Calculate the vapor pressure in torr of a solution containng 24.5 g of glycerin (C3H8O3) in 135 mL water at 30.0* C; the vapor p
Otrada [13]
Psolution = X · PH_20
= 0.966 · 31.8 torr
= 30.7 torr
3 0
2 years ago
In a coffee-cup calorimeter, 1.55 g KOH is added to 125 ml of 0.80 M HCl. The following reaction occurs. KOH(s) + HCl(aq) → H2O(
DENIUS [597]

Answe1.55 gr:

Explanation:

yes

4 0
3 years ago
A car is traveling at a speed of 95 mi/h. If there are 0.62137 miles (mi) in a kilometer,
SIZIF [17.4K]

Answer:

42 m/s

Explanation:

To we convert units for speed we can use dimensional analysis. First thing we do is seperate the measurement into a fraction. After this we can multiply by 1km over 0.62137 miles. We do this so that the miles cancel out.

\frac{95mi}{h} × \frac{1km}{0.62137mi} = \frac{95km}{0.62137h}

After this we can use a conversion factor and divide by 3.6.

\frac{95km}{0.62137h} ÷ 3.6 = 42 m/s

4 0
3 years ago
Given that a mass of a ball is (36.0 g), and the volume is (8.0 mL), what is the ball's density in g/mL?​
max2010maxim [7]

Answer:

4.5g/mL

Explanation:

Given parameters:

Mass of ball  = 36g

Volume of the ball  = 8mL

Unknown:

Density of the ball  = ?

Solution:

Density is the mass per unit volume of a substance.

          Density  = \frac{mass}{volume}  

So;

 Density  = \frac{36}{8}    = 4.5g/mL

5 0
3 years ago
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