All categories

3 years ago

Which of the following are acid formulas? (Choose 2)

Chemistry

1 answer:

GalinKa [24]3 years ago

3 0

Answer:

HNO3 & H2SO4

Explanation:

HNO3 is Nitric acid and H2SO4 is Sulphuric acid

You might be interested in

For a constant waves speed,wavelength,of the wave increases with a(n)______

pochemuha

Answer:

higher frequency

Explanation:

8 0

3 years ago

Would someone please help?

sveta [45]

The season that is starting is winter.
The answer to 21 is (4)

3 0

3 years ago

Scientists use their to make observations

frosja888 [35]

Microscopes?
Scanners?
Transmitters?
Cameras?
Hand lens?
There are a lot

5 0

3 years ago

Read 2 more answers

Who wants to make some Chemistry????... UwU

Alik [6]

Answer:

what kind of chemistry is it going to be?

8 0

3 years ago

Read 2 more answers

A volume of 105 mL of H2O is initially at room temperature (22.00 ∘C). A chilled steel rod at 2.00 ∘C is placed in the water. If

NemiM [27]

Answer:

<h3>25.0 grams is the mass of the steel bar.</h3>

Explanation:

Heat gained by steel bar will be equal to heat lost by the water

$Q_1=-Q_2$

Mass of steel= $m_1$

Specific heat capacity of steel = $c_1=0.452 J/g^oC$

Initial temperature of the steel = $T_1=2.00^oC$

Final temperature of the steel = $T_2=T=21.50^oC$

$Q_1=m_1c_1\times (T-T_1)$

Mass of water= $m_2= 105 g$

Specific heat capacity of water= $c_2=4.18 J/g^oC$

Initial temperature of the water = $T_3=22.00^oC$

Final temperature of water = $T_2=T=21.50^oC$

$Q_2=m_2c_2\times (T-T_3)-Q_1=Q_2(m_1c_1\times (T-T_1))=-(m_2c_2\times (T-T_3))$

On substituting all values:

$(m_1\times 0.452 J/g^oC\times (21.50^o-2.00^oC))=-(105 g\times 4.18 J/g^oC\times (21.50^o-22.00^o))\\\\m_1*8.7914=241.395\\\\m_1=\frac{219.45}{8.7914} \\\\m_1=24.9\\\\ \approx25 \texttt {grams}$

<h3>25.0 grams is the mass of the steel bar.</h3>

3 0

3 years ago

Read 2 more answers