What's the definition of ionic solutes?

A radioactive element is half disintegrated in 40 minutes. What is the time required for the decay of 75% of the element

Which is true about H3PO4 and NH3? A. Both are electrolytes, one is an Arrhenius acid and one is an Arrhenius base B. Both are electrolytes, only one is an Arrhenius acid or an Arrhenius base C.

Draw the structures of organic compounds a and b. omit all byproducts

an unknown liquid has a density of 1.23g/mL. what mass of the unknown liquid in grams will occupy a volume of 31.2ml

Consider the following chemical equilibrium: C (s) + 2H2 (g) ⇌ CH4 (g) Now write an equation below that shows how to calculate Kp from Kc for this reaction at an absolute temperature. You can assume is comfortably above room temperature.

NO2+H4➡2 H2O+N What are the elements

A sample of nitrogen gas (N2) containing 1.5 x10^23 particles has the same number of particles as a sample containing: A. 0.50 moles Ne B. 2.0 moles He C. 1.0 moles hydrogen gas D. 25 moles oxygen gas

The pyruvate dehydrogenase complex catalyzes the oxidative decarboxylation of pyruvate to form acetyl‑CoA. E1, E2, and E3 are abbreviations for the enzymes of the complex. Classify the enzyme names, prosthetic groups, and reactions as E1, E2, or E3.

Sulfur dioxide is a (n) compound element heterogeneous mixture solution

Which sample of Hcl (aq) reacts at the fastest rate with a 1.0 gram-sample of iron filings 1) 10Ml or 1M Hcl (aq) at 10c 2) 10Ml of 1M Hcl (aq) at 25c 3) 10Ml or 3M Hcl (aq) At 10c 4) 10Ml of 3M Hcl (aq) at 25c