All categories

2 years ago

Which of these properties is TRUE for water?

Chemistry

2 answers:

STatiana [176]2 years ago

8 0

Well, it can be either a or c, but I believe it is c because there is nothing in water to make it either

Nataly [62]2 years ago

3 0

The answer is C because it is in the neutral zone, but in some conditions it can act as both an acid or basic due to its hydrogen contents.

You might be interested in

Absolute zero is what temperature on the fahrenheit scale?

vampirchik [111]

Answer:

Absolute zero is - 459.67 °F

Explanation:

1) Convert absolute zero to celsius:

0 K = - 273.15°C ( this is per definition of the scale)

2) Convert - 273.15°C to Fahrenheit:

T (°F) = T (°C) × 1.8 + 32 (this is the conversion equation=

T (°F) = - 273.15 × 1.8 + 32 = - 459.67 °F ← answer

8 0

2 years ago

How many grams of aluminum are required to react with 35 mL of 2.0 M hydrochloric acid, HCl?__ HCl + __ Al --> __ AlCl3 + __

kiruha [24]

Answer:

0.6258 g

Explanation:

To determine the number grams of aluminum in the above reaction;

determine the number of moles of HCl
determine the mole ratio,
use the mole ratio to calculate the number of moles of aluminum.
use RFM of Aluminum to determine the grams required.

Moles of HCl

35 mL of 2.0 M HCl

2 moles of HCl is contained in 1000 mL

x moles of HCl is contained in 35 mL

$x \: mol \: = \: \frac{2 \: \times \: 35}{1000} \\ = 0.07 \: moles \:$

We have 0.07 moles of HCl.

Mole ratio

Balanced equation

6HCl(aq) + 2Al(s) --> 2AlCl3(aq) + 3H2(g)

Hence mole ratio = 6 : 2 (HCl : Al

but moles of HCl is 0.07, therefore the moles of Al;

$= \frac{2}{6} \times 0.07 \\ \: = 0.0233333 \: moles$

Therefore we have 0.0233333 moles of aluminum.

Grams of Aluminum

We use the formula;

$grams \: = moles \: \times \: rfm$

The RFM (Relative formula mass) of aluminum is 26.982g/mol.

Substitute values into the formula;

$= 0.0233333 \: moles \: \times \: 26.982 \: \frac{g}{mol} \\ = 0.625799 \: grams$

The number of grams of aluminum required to react with HCl is 0.6258 g.

3 0

2 years ago

When the following equation is balanced with the lowest whole number coefficients possible, what is the coefficient in front of

Anastaziya [24]

Given: C3H8(g) + O2(g) ----> CO2 (g) + H2O (g)

Step : Put a 3 in front of CO2 (g) to balance C

=> C3H8(g) + O2(g) ----> 3CO2 + H2O to balance H

Step 2: Put a 4 in front of H2O

=> C3H8 (g) + O2(g) -----> 3CO2 (g) + 4H2O (g)

Step 3: Given that there are 3*2 + 4 = 10 O to the right side, put a 5 in front of O2 to balance O:

=> C3H8(g) + 5O2(g) -----> 3CO2(g) + 4H2O(g)

You can verify that the equation is balanced.

So, the answer is that the coefficient in front of O2 is 5.

7 0

3 years ago

Read 2 more answers

How many atoms are in 6.3 mol Zn

san4es73 [151]

Answer:

3.8x1024atoms Zn

Explanation:

is the answer

4 0

2 years ago

Read 2 more answers