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The nucleus of an atom contains protons and what other particle? help

Ezrqn Kemboi asked Oct 5, 2024

by Ezrqn Kemboi

8.1k points

1 answer

4 votes

199k views

Inputs (raw materials) of chemiosmosis: 1. Protons (H+). 2. ADP. 3. Phosphate (Pi). Outputs (products) of chemiosmosis: 1. ATP.

Urho asked Oct 5, 2024

by Urho

8.3k points

1 answer

1 vote

62.0k views

write balanced ionic equtions for the following reactions. aqueous perchloric acide is neutralized by aques calcium hydroxide

AriX asked Oct 5, 2024

by AriX

8.5k points

1 answer

5 votes

39.6k views

Why rain water is soft water?

Docuemada asked Oct 5, 2024

by Docuemada

8.5k points

1 answer

2 votes

74.2k views

For 0.2 M nitrous acid, HNO₂, in aqueous solution at equilibrium, which is the correct expression for Ka if x represents the concentration of H₃O+?

Brian Kiremu asked Oct 5, 2024

by Brian Kiremu

8.5k points

1 answer

1 vote

166k views

What is true of all atoms? Option 1: They are electrically charged. (incorrect answer) Option 2: They contain more than one electron shell. (incorrect answer) Option 3: They have full outer electron shells.

Punit Gupta asked Oct 5, 2024

by Punit Gupta

7.6k points

1 answer

0 votes

59.9k views

2) List the three states of water. At what temperatures does water freeze and boil?

Felix Gerber asked Oct 5, 2024

by Felix Gerber

8.6k points

1 answer

3 votes

168k views

A chemist must prepare 350. ml of 95.0 mm aqueous barium chlorate working solution. she'll do this by pouring out some 0.190 mol/l aqueous barium chlorate stock solution into a graduated cylinder and diluting

Manjunath asked Oct 5, 2024

by Manjunath

8.6k points

1 answer

4 votes

1.4k views

What noble gas has the same election configuration as each of the ions in the following compounds? a. cesium sulfide b. strontium fluoride c. calcium nitride d. aluminum bromide

Sultanmyrza asked Oct 5, 2024

by Sultanmyrza

8.1k points

1 answer

0 votes

39.1k views

Need help for school

Rolf Staflin asked Oct 5, 2024

by Rolf Staflin

8.7k points

1 answer

3 votes

146k views

Which of the following aqueous solutions will have the lowest water vapor pressure? A) Pure water B) Sodium chloride solution C) Ethanol solution D) Sugar solution

RezaNikfal asked Oct 5, 2024

by RezaNikfal

7.6k points

1 answer

1 vote

60.2k views

How many atoms of hydrogen are in 63.3 g of ammonium acetate?

Bhas asked Oct 5, 2024

by Bhas

8.0k points

1 answer

0 votes

61.0k views

Which property is best attributed to acids? 1) dissolve active metals such as zinc and iron, producing hydrogen gas 2) bitter taste 3) cause litmus indicator dye to turn blue 4) feel slippery on the skin

Cminatti asked Oct 5, 2024

by Cminatti

8.3k points

1 answer

1 vote

37.9k views

The decomposition of ethane (C2H6) to methyl radicals is a first-order reaction with a rate constant of 5.36 X 10^-4 s ^-1 at 700˚C: C2H6 ---> 2CH3. Calculate the half-life of the reaction in minutes.

Daniel GL asked Oct 5, 2024

by Daniel GL

8.6k points

2 answers

3 votes

194k views

A compound has 26.35 g of potassium and 23.65 g of chlorine. What is the empirical formula of the compound? a) KCl b) K2Cl c) KCl2

Yevhenii Herasymchuk asked Oct 5, 2024

by Yevhenii Herasymchuk

8.7k points

1 answer

3 votes

191k views

The nuclear reaction 126/50 Sn ---> 126/51 Sb + is an example of____

Uvita asked Oct 5, 2024

by Uvita

7.6k points

1 answer

3 votes

94.7k views

G. N. Lewis is well known for multiple contributions to the study of chemistry. Which of these below is attributed to Lewis? a VSEPR b. hybridization O c.paramagnetism Od.covalent bonding Oe.ionic bonding

Florian Dietz asked Oct 5, 2024

by Florian Dietz

7.7k points

1 answer

1 vote

143k views

Cephalexin 250 mg tablets contain how many mcg of cephalexin ? a. 0.00025 mcg b. 0.25mcg c. 250,000 mcg d. 250,000,000 mcg

Pickeroll asked Oct 5, 2024

by Pickeroll

8.4k points

1 answer

0 votes

107k views

What is an acceptable level of free chlorine for a spa pool? A) 5 PPM B) 1.5 PPM C) 4 PPM D) 15 PPM

Keithamus asked Oct 5, 2024

by Keithamus

8.3k points

1 answer

5 votes

193k views

A patient order requires 1.0 L of a 0.50% benzalkonium chloride antiseptic. You have a 12% stock solution. How much stock solution will you need to prepare the order?

Giacomo Cerquone asked Oct 5, 2024

by Giacomo Cerquone

7.6k points

1 answer

3 votes

87.5k views

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