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3 years ago

What is the valency of CH3COO

Chemistry

1 answer:

WINSTONCH [101]3 years ago

6 0

Answer:

thats too hard sorry

Explanation:

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What type of probes physically land on the surface of a planet or moon?

lutik1710 [3]

Answer:

Here are three types of probes that land on space physically. Interplantery, orbiters, and landers.

Explanation:

These are the ones that collect data and other stuff from space.

7 0

2 years ago

Calculate the concentration of OH-in a solution that has a concentration of H+ = 8.1 x 10^−6 M at 25°C. Multiply the answer you

Nat2105 [25]

Answer:

The answer is 12.35

Explanation:

From the question we are given that the concentration of $H^{+}$ is $8.1 * 18^{-6}M$

Generally The rate equation is given as

$K_{w} = [H^{+} ][OH^{-} ]$

and $K_{w}$ the rate constant has a value $1 * 10^{-14}$

Substituting and making [ $OH^{-}$ ] the subject we have

$[OH^{-} ] = \frac{1 * 10^{-14}}{[H^{+}]} = \frac{1 * 10^{-14}}{8.1 *10^{-6}} =1.235 * 10^{-9}$

$[OH ^ {-}] = 1.235 * 10^{-9}M$

Multiply the value by $10^{10}$ as instructed from the question we have

Answer = $1.235 * 10 ^{-9} * 10^{10} = 12.35$

Hence the answer in 2 decimal places is 12.35

7 0

4 years ago

which of the following will stay constant, no matter if the substance is in the solid, liquid, or gas state?

pogonyaev

Liquid I think it might be

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3 years ago

Which property indicated a minerals response to ultraviolet light?

kherson [118]

A. Flueorescece. <span>The light from these ultraviolet lamps reacts with the chemicals of a mineral and causes the mineral to glow.

Hope I get Brainliest</span>

4 0

3 years ago

Read 2 more answers

Susie cooked sausages on a barbecue. Fat and water in the sausages changed state. which two changes of state occur during this p

padilas [110]

Answer:

The options a and b are correct

Explanation:

This options provided to the question are the answers to the question. But for clarification. When the fat melts, the change of state that occurs here is from solid to liquid (which is called melting) while the change of state that occurs when the water evaporated is from liquid to gas (which is called evaporation).

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3 years ago