Recent questions in Chemistry

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How many protons and how many inner (nonvalence) electrons does a neutral boron atom have? Express your answers as integers separated by a comma.

Nerdragen asked Oct 5, 2024

by Nerdragen

8.3k points

1 answer

5 votes

26.1k views

In a reaction where a gas is produced what type of system is required for equilibrium to be reached?

Srimanth asked Oct 5, 2024

by Srimanth

8.2k points

1 answer

1 vote

47.7k views

What do the elements have in common? Ni, Tc B, Ge Al, Pb

Nikhil Baliga asked Oct 5, 2024

by Nikhil Baliga

8.3k points

1 answer

5 votes

115k views

Calculate the time required for the completion of 90% of a reaction of first order kinetics. T1/2= 44.1 minutes.

Pardahlman asked Oct 5, 2024

by Pardahlman

8.1k points

2 answers

4 votes

143k views

Calculate the mass of forsterite that contains a million magnesium atoms. Be sure your answer has a unit symbol if necessary, and round it to significant digits.

Engma asked Oct 5, 2024

by Engma

8.0k points

1 answer

0 votes

12.4k views

in a chemical reaction at constant temperature, the addition of a catalyst question 1 options: decreases the energy released in the chemical reaction. increases the concentration of the products at equilibrium.

Sam Battat asked Oct 5, 2024

by Sam Battat

8.4k points

1 answer

4 votes

33.4k views

If 50 joules of energy is added to sample of water, the temperature will?

Flori asked Oct 5, 2024

by Flori

8.1k points

1 answer

2 votes

49.6k views

6 A student separated hexane. CH. (b.p. 69°C) and heptane, CH, (b.p. 98°C) using the apparatus shown below(a) (i) What was the reading on the thermometer when the first few drops of liquidappeared in C?

Karakuchi asked Oct 5, 2024

by Karakuchi

8.6k points

1 answer

2 votes

160k views

Many crops are now being engineered so that pests do not eat them, they are called:

Eligio Becerra asked Oct 5, 2024

by Eligio Becerra

8.4k points

1 answer

1 vote

226k views

Ethyl propanoate is an organic molecule that smells like pineapple and has a molar mass of 102.132 g/mol. It is soluble in the organic solvent acetone. What is the molality of a solution prepared with

BambooleanLogic asked Oct 5, 2024

by BambooleanLogic

8.0k points

2 answers

2 votes

108k views

What is the weight of protons and neutrons in amu?

Mark Jeronimus asked Oct 5, 2024

by Mark Jeronimus

8.6k points

1 answer

5 votes

17.9k views

What is the preference of men in handling broken records compared to bare hands, according to the statement?

Merry asked Oct 5, 2024

by Merry

8.2k points

1 answer

3 votes

63.2k views

Which would have a greater force of attraction one electron that is 0.1m aWay from a proton or one electron that is 0.5m away from a proton.

Bob Cross asked Oct 5, 2024

by Bob Cross

7.9k points

1 answer

2 votes

31.2k views

Construct a chemical equation for the reaction between iron pyrite and oxygen?

Usman Kurd asked Oct 5, 2024

by Usman Kurd

7.5k points

2 answers

5 votes

36.2k views

When you balance a chemical equation, what are you doing?

Ewald Bos asked Oct 5, 2024

by Ewald Bos

7.7k points

1 answer

5 votes

155k views

Question 8: An order for Maalox reads like this: take 5mL po 1hr a.c, 1hr p.c, and h.s. How much does the patient take in one day?

Nikitz asked Oct 5, 2024

by Nikitz

8.0k points

1 answer

0 votes

13.5k views

Hot Drink Syrup & Sauces: How many scoops do you use on a sugar free sauce and syrup?

Vkovic asked Oct 5, 2024

by Vkovic

8.8k points

1 answer

2 votes

9.9k views

The electrolysis of molten calcium chloride produces calcium and chlorine_ Write a) the half-reaction that occurs at the anode b) the half-reaction that occurs at the cathode c) the complete balanced equation

Sethcall asked Oct 5, 2024

by Sethcall

8.3k points

1 answer

1 vote

160k views

The plasma membrane is made up of molecules in two layers which we call the ________________. The layers are made of molecules called __________________. They have a _________ and ____________. Which part

Charles Maresh asked Oct 5, 2024

by Charles Maresh

7.9k points

1 answer

0 votes

80.4k views

Balance the equations below (if no coefficient is needed, choose "1" from the options) 1.__K(s) +__ Cl2(g) →__KCI(s) 2. __NH3(g)→__N2(g) +__ H2(g) 3. __Ag(NO3) (aq) +__CaCl2(aq) →__AGCL(s) + __Ca(NO3)2(aq)

Oleksandr Dashkov asked Oct 5, 2024

by Oleksandr Dashkov

7.3k points

1 answer

5 votes

33.5k views

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